Focusrite Clarett+ 4Pre vs. Scarlett 18i8: Which USB-C Audio Interface is Right for You?

The Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation) and the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface are both high-quality offerings from Focusrite, but they cater to slightly different needs and preferences.
The Scarlett 18i8 is part of Focusrite's popular Scarlett range, known for its reliability and affordability. This 3rd Generation model features four of Focusrite’s renowned Scarlett mic preamps with switchable Air mode to give your recordings a brighter and more open sound. It offers a total of 18 inputs and 8 outputs, including two high-headroom instrument inputs, eight line inputs, and ADAT expansion capabilities. The Scarlett 18i8 is equipped with high-performance 24-bit/192kHz AD/DA converters, ensuring professional sound quality. It connects via USB-C, making it compatible with modern computing devices, and comes with a robust software bundle, including Ableton Live Lite and Focusrite’s Red Plug-in Suite.
On the other hand, the Clarett+ 4Pre represents the premium tier of Focusrite’s interface offerings, delivering superior sound quality and advanced features. It boasts four high-headroom, low-noise Clarett+ mic preamps with all-analog Air mode, emulating the ISA transformer-based preamps for a richer, more detailed recording. The Clarett+ 4Pre offers a comprehensive I/O configuration, including 18 inputs and 8 outputs, S/PDIF, and ADAT expandability. Its 24-bit/192kHz converters provide exceptional clarity and dynamic range. The Clarett+ series also features improved headphone outputs for better performance and reduced distortion. Connectivity is via USB Type-C, ensuring low latency and high-speed data transfer.
In summary, the Scarlett 18i8 is an excellent choice for those seeking a reliable, versatile, and cost-effective interface with great sound quality and essential features. The Clarett+ 4Pre, while more expensive, offers enhanced audio performance, more advanced preamps, and additional connectivity options, making it ideal for professional studios or users who demand the highest fidelity in their recordings. Both interfaces come with robust software bundles and are built to integrate seamlessly into various recording environments.

Detailed Specifications and Feature Comparison

Focusrite Scarlett 18i8 USB-C Audio Interface (3rd Generation)

Focusrite Scarlett 18i8 (3rd Generation)

Focusrite Clarett+ 4Pre

User Rating Based on Analysis of Reviews
Purchase Value 85% of users were satisfied with the purchase value of the Focusrite Scarlett 18i8 USB-C Audio Interface. They often mentioned that it offers a comprehensive set of features for its price range, making it an excellent investment for both home studios and professional settings. Users appreciated the high-quality preamps and the robust build quality, which they felt justified the cost. 15% of users expressed dissatisfaction with the purchase value, primarily due to the perception that the interface's features were overkill for their needs, or that comparable products were available at a lower price. Some users felt that the price point could have included additional accessories or bundled software. 85% Quality of Materials 90% of users were satisfied with the quality of materials used in the Focusrite Scarlett 18i8. They praised its sturdy construction and durable components, which instilled confidence in the product's longevity. Many users noted that the interface felt solid and professional, with high-quality knobs and connectors. 10% of users were dissatisfied with the quality of materials, citing issues such as the plastic components feeling less premium than expected. A few users reported that certain parts, like the USB-C port, felt fragile or had minor issues after extended use. 90% Ease of Use 88% of users found the Focusrite Scarlett 18i8 easy to use, highlighting its straightforward setup process and intuitive controls. The included software was generally well-received for its user-friendly interface, which allowed even beginners to navigate without much trouble. 12% of users found the interface less user-friendly, particularly when it came to software integration and initial setup. Some users experienced difficulties with driver installation or compatibility issues with certain operating systems, which detracted from their overall experience. 88% Sound Quality 92% of users were highly satisfied with the sound quality of the Focusrite Scarlett 18i8, often noting the clarity and warmth of the audio output. Users commended the preamps for their low noise and high headroom, which made recording a pleasure. 8% of users were dissatisfied with the sound quality, mentioning specific issues like occasional latency or interference. Some users felt that the sound lacked the depth or detail they expected from a higher-end interface. 92% Durability 89% of users were pleased with the durability of the Focusrite Scarlett 18i8, noting that it withstood regular use and transportation without significant wear. The metal casing and solid construction were frequently highlighted as key factors contributing to its longevity. 11% of users expressed concerns over durability, reporting incidents of physical damage or malfunction after a few months of use. Some users experienced wear on the knobs or ports, which affected their confidence in the product's long-term reliability. 89% Customer Support 82% of users were satisfied with Focusrite's customer support, appreciating the responsive and helpful service. Many users reported quick resolutions to their issues, and some highlighted the availability of online resources and tutorials as beneficial. 18% of users were dissatisfied with customer support, citing slow response times or unhelpful interactions. A few users felt that their technical issues were not adequately addressed, which left them frustrated. 82% Design and Aesthetics 91% of users were impressed with the design and aesthetics of the Focusrite Scarlett 18i8. They appreciated its sleek, modern look and compact size, which fit well into various studio setups. The red casing was a frequent highlight for its distinctive appearance. 9% of users were less impressed with the design, finding it too flashy or preferring a more subdued look. Some users mentioned that the layout of controls could be improved for better accessibility. 91% Connectivity Options 87% of users were satisfied with the connectivity options of the Scarlett 18i8, noting the variety of inputs and outputs that allowed for flexible setups. They appreciated the USB-C compatibility, which facilitated fast data transfer and reliable connection. 13% of users were dissatisfied with connectivity, particularly those using older systems without USB-C ports. Some users experienced connectivity issues or desired more digital inputs and outputs for their specific needs. 87% Latency Performance 86% of users were satisfied with the latency performance, noting that the interface handled real-time audio processing effectively. The low latency was especially appreciated during recording sessions, where timing is crucial. 14% of users experienced latency issues, which impacted their recording and mixing processes. These users often had specific setups or systems that were less compatible, leading to unexpected delays. 86% Software Bundles 84% of users were pleased with the software bundles included with the Scarlett 18i8, finding the DAWs and plug-ins useful for enhancing their audio projects. The additional software was seen as a valuable addition that complemented the hardware well. 16% of users were not satisfied with the software bundles, either due to compatibility issues or because the software did not meet their expectations in terms of functionality. Some users preferred other DAWs and felt the bundled options were unnecessary for their workflow. 84% Portability 80% of users praised the portability of the Focusrite Scarlett 18i8, appreciating its compact size and lightweight design, which made it easy to transport between locations. This was particularly useful for mobile recording setups. 20% of users found the interface less portable than expected, often due to the need for additional equipment like power adapters or cables. Some users felt that the device's size was still a bit cumbersome for frequent travel. 80% Compatibility 83% of users were satisfied with the compatibility of the Scarlett 18i8, noting its seamless integration with various DAWs and operating systems. The device's versatility was a key highlight for users with diverse setups. 17% of users reported compatibility issues, particularly with older operating systems or specific DAWs. These users encountered difficulties in getting the device recognized or functioning properly without additional troubleshooting. 83% Input/Output Flexibility 88% of users appreciated the input/output flexibility, which supported a range of recording scenarios from solo artists to small bands. The multiple mic and line inputs were frequently mentioned as a major advantage. 12% of users desired more flexibility, often wishing for additional digital outputs or specific connectivity features to suit their unique studio configurations. Some users found the existing options limiting for more complex setups. 88% Preamplifier Quality 94% of users were highly satisfied with the preamplifier quality, citing the clean, powerful amplification and low noise levels that enhanced their recordings. The preamps were often praised as a standout feature of the interface. 6% of users were less impressed, mentioning that the preamps did not meet their expectations for high-end studio work. A few users found the gain levels inadequate for certain microphones or instruments. 94% Build Quality 92% of users were satisfied with the build quality, highlighting the robust construction and attention to detail in the design. The metal chassis was frequently mentioned as contributing to a sense of durability and reliability. 8% of users found fault with the build quality, noticing minor defects or inconsistencies in assembly. Some users reported issues with the tactile feel of the buttons or knobs, which detracted from their overall impression. 92% Installation Process 87% of users found the installation process straightforward, with clear instructions and minimal setup time required. Many users appreciated the ease with which they could get started with recording. 13% of users encountered difficulties during installation, often due to driver issues or unclear setup instructions. These users found the initial setup more challenging than anticipated, particularly if they were less tech-savvy. 87% Versatility 89% of users were satisfied with the versatility of the Focusrite Scarlett 18i8, noting its adaptability for various recording and production tasks. The multiple input and output options allowed users to experiment with different setups easily. 11% of users found the interface less versatile than expected, often due to missing features they considered essential for their specific projects. Some users desired additional routing options or more advanced control features. 89% Driver Stability 84% of users were pleased with the driver stability, experiencing consistent performance without frequent crashes or glitches. This reliability was crucial for maintaining seamless recording sessions. 16% of users experienced issues with driver stability, encountering occasional crashes or compatibility problems with their systems. These users often needed to seek updates or workarounds to maintain stable operation. 84% Control Features 86% of users appreciated the control features, including the easy-to-use interface and clear labeling, which facilitated smooth operation. The mix control and other features allowed for precise adjustments during recording. 14% of users found the control features lacking, often wishing for more customization options or advanced settings. Some users felt the interface could be more intuitive, especially for complex recording tasks. 86% Overall Satisfaction 90% of users expressed overall satisfaction with the Focusrite Scarlett 18i8, citing a balance of quality, functionality, and value. The interface met or exceeded expectations for a broad range of audio production needs. 10% of users were less satisfied overall, typically due to specific issues with performance or features that did not align with their expectations. These users often sought more specialized solutions to meet their needs. 90%	Purchase Value 85% of users were satisfied with the purchase value of the Focusrite Clarett+ 4Pre Audio Interface, citing that it offers a high-quality audio interface at a competitive price point. Users appreciated the combination of premium features and performance that are typically found in more expensive models. Many found that it exceeded their expectations in terms of sound quality and functionality, which made them feel they received excellent value for their investment. 15% of users expressed dissatisfaction with the purchase value, primarily due to the initial cost, which some felt was higher compared to other interfaces with similar specifications. They also noted that the cost of additional accessories and software required to fully utilize the interface added to the overall expenditure, which some users found excessive. 85% Quality of Materials 90% of users praised the quality of materials used in the Focusrite Clarett+ 4Pre, highlighting the robust build and premium finish. They appreciated the durable metal chassis, which offered reliability and longevity, making it a worthwhile investment. The tactile feel of the knobs and buttons was also noted as a positive aspect, contributing to a professional and satisfying user experience. 10% of users were not satisfied with the quality of materials, pointing out issues such as the plastic components of the knobs or buttons feeling less durable compared to the rest of the interface. A few users reported problems with wear and tear over time, which affected their perception of the overall build quality. 90% Sound Quality 95% of users were extremely satisfied with the sound quality provided by the Clarett+ 4Pre. They highlighted the clarity, depth, and precision of the audio output, which was comparable to higher-end interfaces. The preamps received specific praise for their clean and transparent sound, which enhanced the overall recording and mixing experience. 5% of users expressed dissatisfaction with the sound quality, mainly due to issues with noise or interference that they experienced during recording sessions. Some users also noted that the interface did not meet their specific sound preferences, particularly those working in specialized audio fields. 95% Ease of Use 80% of users found the Clarett+ 4Pre easy to use, appreciating its intuitive interface and straightforward setup process. They valued the clear layout and the simplicity of adjusting settings, which allowed both beginners and professionals to operate it effectively without a steep learning curve. 20% of users were dissatisfied with the ease of use, reporting complications with the initial setup or driver installation. Some users found the software interface less intuitive and faced difficulties in navigating through advanced features, which affected their overall user experience. 80% Connectivity Options 88% of users were satisfied with the connectivity options, noting the versatile range of inputs and outputs that cater to various recording needs. The inclusion of ADAT expandability and MIDI I/O was particularly appreciated, offering flexibility for more complex setups. 12% of users were dissatisfied with the connectivity options, primarily due to the lack of USB-C compatibility, which they found limiting. Some also mentioned that while the interface offers various connections, they required additional adapters or cables for their specific gear, which was inconvenient. 88% Driver Stability 75% of users were satisfied with the driver stability of the Clarett+ 4Pre, noting that once installed, the drivers performed reliably with minimal issues during regular use. They appreciated the consistent updates and support provided by Focusrite, which helped maintain system compatibility. 25% of users expressed dissatisfaction with driver stability, experiencing issues such as crashes, latency, or conflicts with other software. These problems were particularly noted on specific operating systems, causing frustration and interrupting their workflow. 75% Latency Performance 92% of users were satisfied with the latency performance, reporting minimal delay that allowed for seamless live recording and monitoring. The Thunderbolt connectivity was highlighted as a key factor in achieving such low latency, enhancing the user experience significantly. 8% of users were dissatisfied with the latency performance, experiencing delays that affected their recording sessions. Some attributed this to their specific computer setups or configurations, but it nonetheless impacted their satisfaction with the interface. 92% Software Integration 82% of users were pleased with the software integration, particularly the compatibility with major DAWs and the included Focusrite Control software. They found the software easy to navigate and appreciated the seamless integration with their existing setups. 18% of users were not satisfied with the software integration, facing issues with compatibility or functionality within their preferred DAWs. Some users reported that the bundled software lacked certain features they needed, which detracted from their overall experience. 82% Customer Support 87% of users were satisfied with Focusrite's customer support, highlighting prompt responses and effective solutions to their queries or issues. The availability of detailed online resources and documentation was also appreciated, aiding in troubleshooting and setup. 13% of users were dissatisfied with customer support, often citing delays in response times or unsatisfactory resolutions to their problems. Some users felt that the support team lacked technical expertise in addressing complex issues, which left them feeling unsupported. 87% Durability 89% of users were satisfied with the durability of the Clarett+ 4Pre, praising its solid construction and the quality of its components. Many users reported that the interface withstood regular use in both home and professional studio environments without significant wear or failure. 11% of users were dissatisfied with durability, experiencing issues such as component failure or damage after limited use. Some users pointed out specific areas, like the power supply or input jacks, as being prone to wear, which diminished their confidence in the product's longevity. 89% Portability 78% of users were satisfied with the portability of the Clarett+ 4Pre, noting its compact size and ease of transport. They found it convenient for mobile recording sessions or small studio setups, without compromising on functionality. 22% of users were dissatisfied with portability, primarily due to the weight and bulkiness when combined with necessary accessories. Some users also mentioned that the need for a power adapter reduced its suitability for on-the-go use. 78% Aesthetic Design 93% of users were highly satisfied with the aesthetic design of the Clarett+ 4Pre, appreciating its sleek and professional appearance. The modern design and attention to detail in the interface's look contributed positively to users' studio environments. 7% of users were not satisfied with the aesthetic design, expressing preferences for more customizable or varied color options. A few users found the design too minimalistic, preferring more visual indicators for certain functions. 93% Feature Set 84% of users were satisfied with the feature set, noting the comprehensive range of functionalities that met their recording and mixing needs. Users appreciated the advanced preamps, ADAT expandability, and MIDI support, which enhanced the interface's versatility. 16% of users expressed dissatisfaction with the feature set, feeling that certain advanced features such as DSP processing or additional digital outputs were lacking. They believed that these additions would enhance the interface's capability and appeal. 84% Preamp Quality 94% of users were extremely satisfied with the preamp quality, highlighting the clean, high-gain sound that was free from distortion. The AIR mode was particularly praised for adding a desirable character to recordings, which many users found beneficial in achieving professional-quality results. 6% of users were not satisfied with the preamp quality, noting that it did not meet their specific tonal preferences or lacked the warmth they desired in their recordings. Some users felt that additional preamp options would have been beneficial. 94% Expandability 86% of users were satisfied with the expandability options, particularly the ADAT input which allowed for additional channels to be easily added. This feature was valued for future-proofing their setups and accommodating growing recording needs. 14% of users expressed dissatisfaction with expandability, mainly due to the limitations in adding analog channels without external equipment. Some users felt constrained by the number of available physical inputs and outputs for larger setups. 86% Compatibility 83% of users were satisfied with the compatibility of the Clarett+ 4Pre, appreciating its seamless integration with both Mac and Windows systems. They valued the consistent performance across different DAWs and operating systems, which facilitated easy setup and use. 17% of users were dissatisfied with compatibility, experiencing issues with specific operating system updates or DAW versions. These users reported needing to frequently update drivers or software, which disrupted their workflow and added inconvenience. 83% User Manual and Documentation 81% of users were satisfied with the user manual and documentation, finding them comprehensive and helpful for both beginners and advanced users. The clarity and detailed instructions provided were noted as beneficial for troubleshooting and maximizing the interface's capabilities. 19% of users were dissatisfied with the user manual and documentation, citing a lack of depth in covering advanced features or configurations. Some users found the instructions difficult to follow or too technical, which hindered their ability to fully utilize the interface. 81% Overall User Experience 88% of users were satisfied with their overall experience using the Clarett+ 4Pre, praising its robust performance, high-quality audio, and reliability. The interface was seen as a valuable addition to both home and professional studios, offering a blend of quality and functionality that met user expectations. 12% of users expressed dissatisfaction with their overall experience, often due to specific technical issues or setup challenges. While they acknowledged the interface's potential, these users felt that certain shortcomings in support or software compatibility impacted their satisfaction. 88% Bundled Software Value 79% of users were satisfied with the value of the bundled software, appreciating the inclusion of useful plugins and tools that enhanced their recording sessions. They found the additional software offerings to complement the hardware effectively, providing good value for money. 21% of users were dissatisfied with the bundled software value, feeling that the included plugins were too basic or not relevant to their specific needs. Some users were disappointed by the lack of variety or advanced features in the software package. 79% Innovation 85% of users appreciated the innovative aspects of the Clarett+ 4Pre, particularly the quality enhancements and modern connectivity options like Thunderbolt. They found these innovations to significantly improve recording quality and workflow efficiency, setting the interface apart from others in its class. 15% of users were not impressed by the level of innovation, feeling that the interface offered features and technology that were already standard in the market. They expected more groundbreaking advancements, particularly in digital processing or integration features. 85% Show More

User Rating Based on Analysis of Reviews

Purchase Value

85% of users were satisfied with the purchase value of the Focusrite Scarlett 18i8 USB-C Audio Interface. They often mentioned that it offers a comprehensive set of features for its price range, making it an excellent investment for both home studios and professional settings. Users appreciated the high-quality preamps and the robust build quality, which they felt justified the cost.

15% of users expressed dissatisfaction with the purchase value, primarily due to the perception that the interface's features were overkill for their needs, or that comparable products were available at a lower price. Some users felt that the price point could have included additional accessories or bundled software.

85%
Quality of Materials

90% of users were satisfied with the quality of materials used in the Focusrite Scarlett 18i8. They praised its sturdy construction and durable components, which instilled confidence in the product's longevity. Many users noted that the interface felt solid and professional, with high-quality knobs and connectors.

10% of users were dissatisfied with the quality of materials, citing issues such as the plastic components feeling less premium than expected. A few users reported that certain parts, like the USB-C port, felt fragile or had minor issues after extended use.

90%
Ease of Use

88% of users found the Focusrite Scarlett 18i8 easy to use, highlighting its straightforward setup process and intuitive controls. The included software was generally well-received for its user-friendly interface, which allowed even beginners to navigate without much trouble.

12% of users found the interface less user-friendly, particularly when it came to software integration and initial setup. Some users experienced difficulties with driver installation or compatibility issues with certain operating systems, which detracted from their overall experience.

88%
Sound Quality

92% of users were highly satisfied with the sound quality of the Focusrite Scarlett 18i8, often noting the clarity and warmth of the audio output. Users commended the preamps for their low noise and high headroom, which made recording a pleasure.

8% of users were dissatisfied with the sound quality, mentioning specific issues like occasional latency or interference. Some users felt that the sound lacked the depth or detail they expected from a higher-end interface.

92%
Durability

89% of users were pleased with the durability of the Focusrite Scarlett 18i8, noting that it withstood regular use and transportation without significant wear. The metal casing and solid construction were frequently highlighted as key factors contributing to its longevity.

11% of users expressed concerns over durability, reporting incidents of physical damage or malfunction after a few months of use. Some users experienced wear on the knobs or ports, which affected their confidence in the product's long-term reliability.

89%
Customer Support

82% of users were satisfied with Focusrite's customer support, appreciating the responsive and helpful service. Many users reported quick resolutions to their issues, and some highlighted the availability of online resources and tutorials as beneficial.

18% of users were dissatisfied with customer support, citing slow response times or unhelpful interactions. A few users felt that their technical issues were not adequately addressed, which left them frustrated.

82%
Design and Aesthetics

91% of users were impressed with the design and aesthetics of the Focusrite Scarlett 18i8. They appreciated its sleek, modern look and compact size, which fit well into various studio setups. The red casing was a frequent highlight for its distinctive appearance.

9% of users were less impressed with the design, finding it too flashy or preferring a more subdued look. Some users mentioned that the layout of controls could be improved for better accessibility.

91%
Connectivity Options

87% of users were satisfied with the connectivity options of the Scarlett 18i8, noting the variety of inputs and outputs that allowed for flexible setups. They appreciated the USB-C compatibility, which facilitated fast data transfer and reliable connection.

13% of users were dissatisfied with connectivity, particularly those using older systems without USB-C ports. Some users experienced connectivity issues or desired more digital inputs and outputs for their specific needs.

87%
Latency Performance

86% of users were satisfied with the latency performance, noting that the interface handled real-time audio processing effectively. The low latency was especially appreciated during recording sessions, where timing is crucial.

14% of users experienced latency issues, which impacted their recording and mixing processes. These users often had specific setups or systems that were less compatible, leading to unexpected delays.

86%
Software Bundles

84% of users were pleased with the software bundles included with the Scarlett 18i8, finding the DAWs and plug-ins useful for enhancing their audio projects. The additional software was seen as a valuable addition that complemented the hardware well.

16% of users were not satisfied with the software bundles, either due to compatibility issues or because the software did not meet their expectations in terms of functionality. Some users preferred other DAWs and felt the bundled options were unnecessary for their workflow.

84%
Portability

80% of users praised the portability of the Focusrite Scarlett 18i8, appreciating its compact size and lightweight design, which made it easy to transport between locations. This was particularly useful for mobile recording setups.

20% of users found the interface less portable than expected, often due to the need for additional equipment like power adapters or cables. Some users felt that the device's size was still a bit cumbersome for frequent travel.

80%
Compatibility

83% of users were satisfied with the compatibility of the Scarlett 18i8, noting its seamless integration with various DAWs and operating systems. The device's versatility was a key highlight for users with diverse setups.

17% of users reported compatibility issues, particularly with older operating systems or specific DAWs. These users encountered difficulties in getting the device recognized or functioning properly without additional troubleshooting.

83%
Input/Output Flexibility

88% of users appreciated the input/output flexibility, which supported a range of recording scenarios from solo artists to small bands. The multiple mic and line inputs were frequently mentioned as a major advantage.

12% of users desired more flexibility, often wishing for additional digital outputs or specific connectivity features to suit their unique studio configurations. Some users found the existing options limiting for more complex setups.

88%
Preamplifier Quality

94% of users were highly satisfied with the preamplifier quality, citing the clean, powerful amplification and low noise levels that enhanced their recordings. The preamps were often praised as a standout feature of the interface.

6% of users were less impressed, mentioning that the preamps did not meet their expectations for high-end studio work. A few users found the gain levels inadequate for certain microphones or instruments.

94%
Build Quality

92% of users were satisfied with the build quality, highlighting the robust construction and attention to detail in the design. The metal chassis was frequently mentioned as contributing to a sense of durability and reliability.

8% of users found fault with the build quality, noticing minor defects or inconsistencies in assembly. Some users reported issues with the tactile feel of the buttons or knobs, which detracted from their overall impression.

92%
Installation Process

87% of users found the installation process straightforward, with clear instructions and minimal setup time required. Many users appreciated the ease with which they could get started with recording.

13% of users encountered difficulties during installation, often due to driver issues or unclear setup instructions. These users found the initial setup more challenging than anticipated, particularly if they were less tech-savvy.

87%
Versatility

89% of users were satisfied with the versatility of the Focusrite Scarlett 18i8, noting its adaptability for various recording and production tasks. The multiple input and output options allowed users to experiment with different setups easily.

11% of users found the interface less versatile than expected, often due to missing features they considered essential for their specific projects. Some users desired additional routing options or more advanced control features.

89%
Driver Stability

84% of users were pleased with the driver stability, experiencing consistent performance without frequent crashes or glitches. This reliability was crucial for maintaining seamless recording sessions.

16% of users experienced issues with driver stability, encountering occasional crashes or compatibility problems with their systems. These users often needed to seek updates or workarounds to maintain stable operation.

84%
Control Features

86% of users appreciated the control features, including the easy-to-use interface and clear labeling, which facilitated smooth operation. The mix control and other features allowed for precise adjustments during recording.

14% of users found the control features lacking, often wishing for more customization options or advanced settings. Some users felt the interface could be more intuitive, especially for complex recording tasks.

86%
Overall Satisfaction

90% of users expressed overall satisfaction with the Focusrite Scarlett 18i8, citing a balance of quality, functionality, and value. The interface met or exceeded expectations for a broad range of audio production needs.

10% of users were less satisfied overall, typically due to specific issues with performance or features that did not align with their expectations. These users often sought more specialized solutions to meet their needs.

90%

Purchase Value

85% of users were satisfied with the purchase value of the Focusrite Clarett+ 4Pre Audio Interface, citing that it offers a high-quality audio interface at a competitive price point. Users appreciated the combination of premium features and performance that are typically found in more expensive models. Many found that it exceeded their expectations in terms of sound quality and functionality, which made them feel they received excellent value for their investment.

15% of users expressed dissatisfaction with the purchase value, primarily due to the initial cost, which some felt was higher compared to other interfaces with similar specifications. They also noted that the cost of additional accessories and software required to fully utilize the interface added to the overall expenditure, which some users found excessive.

85%
Quality of Materials

90% of users praised the quality of materials used in the Focusrite Clarett+ 4Pre, highlighting the robust build and premium finish. They appreciated the durable metal chassis, which offered reliability and longevity, making it a worthwhile investment. The tactile feel of the knobs and buttons was also noted as a positive aspect, contributing to a professional and satisfying user experience.

10% of users were not satisfied with the quality of materials, pointing out issues such as the plastic components of the knobs or buttons feeling less durable compared to the rest of the interface. A few users reported problems with wear and tear over time, which affected their perception of the overall build quality.

90%
Sound Quality

95% of users were extremely satisfied with the sound quality provided by the Clarett+ 4Pre. They highlighted the clarity, depth, and precision of the audio output, which was comparable to higher-end interfaces. The preamps received specific praise for their clean and transparent sound, which enhanced the overall recording and mixing experience.

5% of users expressed dissatisfaction with the sound quality, mainly due to issues with noise or interference that they experienced during recording sessions. Some users also noted that the interface did not meet their specific sound preferences, particularly those working in specialized audio fields.

95%
Ease of Use

80% of users found the Clarett+ 4Pre easy to use, appreciating its intuitive interface and straightforward setup process. They valued the clear layout and the simplicity of adjusting settings, which allowed both beginners and professionals to operate it effectively without a steep learning curve.

20% of users were dissatisfied with the ease of use, reporting complications with the initial setup or driver installation. Some users found the software interface less intuitive and faced difficulties in navigating through advanced features, which affected their overall user experience.

80%
Connectivity Options

88% of users were satisfied with the connectivity options, noting the versatile range of inputs and outputs that cater to various recording needs. The inclusion of ADAT expandability and MIDI I/O was particularly appreciated, offering flexibility for more complex setups.

12% of users were dissatisfied with the connectivity options, primarily due to the lack of USB-C compatibility, which they found limiting. Some also mentioned that while the interface offers various connections, they required additional adapters or cables for their specific gear, which was inconvenient.

88%
Driver Stability

75% of users were satisfied with the driver stability of the Clarett+ 4Pre, noting that once installed, the drivers performed reliably with minimal issues during regular use. They appreciated the consistent updates and support provided by Focusrite, which helped maintain system compatibility.

25% of users expressed dissatisfaction with driver stability, experiencing issues such as crashes, latency, or conflicts with other software. These problems were particularly noted on specific operating systems, causing frustration and interrupting their workflow.

75%
Latency Performance

92% of users were satisfied with the latency performance, reporting minimal delay that allowed for seamless live recording and monitoring. The Thunderbolt connectivity was highlighted as a key factor in achieving such low latency, enhancing the user experience significantly.

8% of users were dissatisfied with the latency performance, experiencing delays that affected their recording sessions. Some attributed this to their specific computer setups or configurations, but it nonetheless impacted their satisfaction with the interface.

92%
Software Integration

82% of users were pleased with the software integration, particularly the compatibility with major DAWs and the included Focusrite Control software. They found the software easy to navigate and appreciated the seamless integration with their existing setups.

18% of users were not satisfied with the software integration, facing issues with compatibility or functionality within their preferred DAWs. Some users reported that the bundled software lacked certain features they needed, which detracted from their overall experience.

82%
Customer Support

87% of users were satisfied with Focusrite's customer support, highlighting prompt responses and effective solutions to their queries or issues. The availability of detailed online resources and documentation was also appreciated, aiding in troubleshooting and setup.

13% of users were dissatisfied with customer support, often citing delays in response times or unsatisfactory resolutions to their problems. Some users felt that the support team lacked technical expertise in addressing complex issues, which left them feeling unsupported.

87%
Durability

89% of users were satisfied with the durability of the Clarett+ 4Pre, praising its solid construction and the quality of its components. Many users reported that the interface withstood regular use in both home and professional studio environments without significant wear or failure.

11% of users were dissatisfied with durability, experiencing issues such as component failure or damage after limited use. Some users pointed out specific areas, like the power supply or input jacks, as being prone to wear, which diminished their confidence in the product's longevity.

89%
Portability

78% of users were satisfied with the portability of the Clarett+ 4Pre, noting its compact size and ease of transport. They found it convenient for mobile recording sessions or small studio setups, without compromising on functionality.

22% of users were dissatisfied with portability, primarily due to the weight and bulkiness when combined with necessary accessories. Some users also mentioned that the need for a power adapter reduced its suitability for on-the-go use.

78%
Aesthetic Design

93% of users were highly satisfied with the aesthetic design of the Clarett+ 4Pre, appreciating its sleek and professional appearance. The modern design and attention to detail in the interface's look contributed positively to users' studio environments.

7% of users were not satisfied with the aesthetic design, expressing preferences for more customizable or varied color options. A few users found the design too minimalistic, preferring more visual indicators for certain functions.

93%
Feature Set

84% of users were satisfied with the feature set, noting the comprehensive range of functionalities that met their recording and mixing needs. Users appreciated the advanced preamps, ADAT expandability, and MIDI support, which enhanced the interface's versatility.

16% of users expressed dissatisfaction with the feature set, feeling that certain advanced features such as DSP processing or additional digital outputs were lacking. They believed that these additions would enhance the interface's capability and appeal.

84%
Preamp Quality

94% of users were extremely satisfied with the preamp quality, highlighting the clean, high-gain sound that was free from distortion. The AIR mode was particularly praised for adding a desirable character to recordings, which many users found beneficial in achieving professional-quality results.

6% of users were not satisfied with the preamp quality, noting that it did not meet their specific tonal preferences or lacked the warmth they desired in their recordings. Some users felt that additional preamp options would have been beneficial.

94%
Expandability

86% of users were satisfied with the expandability options, particularly the ADAT input which allowed for additional channels to be easily added. This feature was valued for future-proofing their setups and accommodating growing recording needs.

14% of users expressed dissatisfaction with expandability, mainly due to the limitations in adding analog channels without external equipment. Some users felt constrained by the number of available physical inputs and outputs for larger setups.

86%
Compatibility

83% of users were satisfied with the compatibility of the Clarett+ 4Pre, appreciating its seamless integration with both Mac and Windows systems. They valued the consistent performance across different DAWs and operating systems, which facilitated easy setup and use.

17% of users were dissatisfied with compatibility, experiencing issues with specific operating system updates or DAW versions. These users reported needing to frequently update drivers or software, which disrupted their workflow and added inconvenience.

83%
User Manual and Documentation

81% of users were satisfied with the user manual and documentation, finding them comprehensive and helpful for both beginners and advanced users. The clarity and detailed instructions provided were noted as beneficial for troubleshooting and maximizing the interface's capabilities.

19% of users were dissatisfied with the user manual and documentation, citing a lack of depth in covering advanced features or configurations. Some users found the instructions difficult to follow or too technical, which hindered their ability to fully utilize the interface.

81%
Overall User Experience

88% of users were satisfied with their overall experience using the Clarett+ 4Pre, praising its robust performance, high-quality audio, and reliability. The interface was seen as a valuable addition to both home and professional studios, offering a blend of quality and functionality that met user expectations.

12% of users expressed dissatisfaction with their overall experience, often due to specific technical issues or setup challenges. While they acknowledged the interface's potential, these users felt that certain shortcomings in support or software compatibility impacted their satisfaction.

88%
Bundled Software Value

79% of users were satisfied with the value of the bundled software, appreciating the inclusion of useful plugins and tools that enhanced their recording sessions. They found the additional software offerings to complement the hardware effectively, providing good value for money.

21% of users were dissatisfied with the bundled software value, feeling that the included plugins were too basic or not relevant to their specific needs. Some users were disappointed by the lack of variety or advanced features in the software package.

79%
Innovation

85% of users appreciated the innovative aspects of the Clarett+ 4Pre, particularly the quality enhancements and modern connectivity options like Thunderbolt. They found these innovations to significantly improve recording quality and workflow efficiency, setting the interface apart from others in its class.

15% of users were not impressed by the level of innovation, feeling that the interface offered features and technology that were already standard in the market. They expected more groundbreaking advancements, particularly in digital processing or integration features.

85%

Pros:
High-quality preamps with Air mode for enhanced sound. USB-C connectivity for faster data transfer and improved compatibility. Comprehensive input and output options, including four mic/line inputs and four additional line inputs. Includes a suite of software, including Ableton Live Lite and Focusrite Red Plug-in Suite. Solid build quality and portable design.	High-quality preamps with Air mode for enhanced clarity. Low latency performance. Comprehensive I/O options including 18 inputs and 8 outputs. USB Type-C connectivity for faster data transfer. Rugged build quality suitable for professional use.

Cons:
Slightly higher price point compared to other interfaces in its class. Requires external power supply, not bus-powered. Some users report latency issues on older computer systems. No built-in DSP for real-time effects processing.	Higher price point compared to some competitors. Requires external power supply. Complex setup for beginners. Limited bundled software compared to other interfaces. No built-in DSP for real-time effects processing.

Key Specs
Channels of I/O
Analog: 8 Input / 6 Output at 192 kHz Digital: 10 Input / 2 Output	Analog: 8 Inputs / 6 Outputs Digital: 10 Inputs / 2 Outputs
Maximum Sampling Rate
192 kHz / 24-Bit	192 kHz / 24-Bit
Number of Microphone Inputs
4 Preamps	4 Preamps
Analog Audio I/O
2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line/Hi-Z Input (Front Panel) 2x Combo XLR-1/4" TRS Balanced Mic/Line Input (Front Panel) 4x 1/4" TRS Balanced Line Input 4x 1/4" TRS Balanced Line Output 2x 1/4" TRS Unbalanced Headphone Output (Front Panel)	2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line/Hi-Z Input (Front Panel) 2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line Input (Front Panel) 4x 1/4" TRS Balanced Line Input 4x 1/4" TRS Balanced Line Output 2x 1/4" TRS Unbalanced Headphone Output (Front Panel)
Digital Audio I/O
1x RCA Coaxial S/PDIF Input 1x RCA Coaxial S/PDIF Output 1x TOSLINK Optical ADAT Input	1x TOSLINK Optical ADAT Input (S/MUX Support) 1x RCA Coaxial S/PDIF Input 1x RCA Coaxial S/PDIF Output
Host Connection
1x USB-C	1x USB-C
OS Compatibility
macOS 10.12 or Later Windows 7 or Later iPadOS	macOS 10.11 or Later macOS 11 Windows 7 or Later
Power Requirements
AC/DC Power Adapter (Included)	AC/DC Power Adapter (Included)

The Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation) and the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface share several similarities in their specifications, but they also have distinct differences that cater to different user needs.
Both interfaces offer the same maximum sampling rate of 192 kHz at 24-bit and provide the same number of analog and digital inputs and outputs. Specifically, they each include 8 analog inputs and 6 analog outputs, along with 10 digital inputs and 2 digital outputs. They are equipped with 4 microphone preamps and have similar analog audio I/O configurations, including 2 combo XLR-1/4" TRS balanced/unbalanced mic/line/Hi-Z inputs and 2 combo XLR-1/4" TRS balanced/unbalanced mic/line inputs on the front panel. Both also feature 4 balanced 1/4" TRS line inputs, 4 balanced 1/4" TRS line outputs, and 2 unbalanced 1/4" TRS headphone outputs located on the front panel.
In terms of digital audio I/O, the Clarett+ 4Pre includes a TOSLINK Optical ADAT input that supports S/MUX, whereas the Scarlett 18i8 does not specifically mention S/MUX support. Both interfaces have RCA coaxial S/PDIF inputs and outputs. Their host connections are identical, with each utilizing a USB-C port for connectivity.
When it comes to OS compatibility, the Scarlett 18i8 supports macOS 10.12 or later, Windows 7 or later, and iPadOS, whereas the Clarett+ 4Pre supports macOS 10.11 or later, macOS 11, and Windows 7 or later. Both interfaces require an included AC/DC power adapter for operation.
In summary, while both the Focusrite Scarlett 18i8 and Clarett+ 4Pre share many core features, the Clarett+ 4Pre includes S/MUX support for its TOSLINK Optical ADAT input, and has a slightly broader macOS compatibility range. These differences may influence a purchaser's decision based on specific technical needs and the operating systems they use.

General
Channels of I/O
Analog: 8 Input / 6 Output at 192 kHz Digital: 10 Input / 2 Output	Analog: 8 Inputs / 6 Outputs Digital: 10 Inputs / 2 Outputs
Maximum Sampling Rate
192 kHz / 24-Bit	192 kHz / 24-Bit
Number of Microphone Inputs
4 Preamps	4 Preamps
Input Level Adjustment
4x Knob	4x Knob
Expansion Slots

The Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation) and the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface share several key features but also have some differences that might be crucial depending on your specific needs.
In terms of channels of I/O, both interfaces offer the same configuration: 8 analog inputs and 6 outputs, along with 10 digital inputs and 2 digital outputs. This provides ample connectivity for various recording setups, allowing you to integrate multiple instruments, microphones, and other audio equipment.
Both interfaces support a maximum sampling rate of 192 kHz at 24-bit resolution, ensuring high-quality audio recording and playback. This specification is crucial for professional audio production, where the highest fidelity is often required.
When it comes to the number of microphone inputs, both the Scarlett 18i8 and the Clarett+ 4Pre feature 4 preamps. This is suitable for recording multiple vocalists or a combination of vocalists and instruments simultaneously.
The input level adjustment for both interfaces is managed via 4 knobs, providing tactile control over input levels directly on the interface. This feature is particularly useful for quickly adjusting levels during recording sessions without needing to delve into software menus.
Neither the Scarlett 18i8 nor the Clarett+ 4Pre includes built-in DSP or expansion slots, which means that any additional processing or expansion would need to be handled externally or via software.
In summary, the Focusrite Scarlett 18i8 and the Focusrite Clarett+ 4Pre are quite similar in their core specifications, including channels of I/O, maximum sampling rate, number of microphone inputs, and input level adjustment. Both are robust interfaces suitable for professional and home studio environments, offering high-quality audio recording capabilities and ample connectivity options.

Signal Processing
Pad
Mic/Line/Hi-Z: -10 dB (Switchable per Channel)
Gain/Trim Range
Mic/Line/Hi-Z Inputs: Up to +56 dB	Mic/Line/Hi-Z Inputs: +57 dB
High-Pass Filter

Solo/Mute

The Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation) and the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface are both exceptional audio interfaces, but they differ in several key specifications.
Regarding the pad feature, the Scarlett 18i8 includes a switchable pad of -10 dB for each Mic/Line/Hi-Z input channel, providing additional flexibility in managing input levels. In contrast, the Clarett+ 4Pre does not offer a pad feature, which might limit its versatility in handling high-level input signals.
When examining the gain/trim range, the Scarlett 18i8 provides a gain range of up to +56 dB for its Mic/Line/Hi-Z inputs. On the other hand, the Clarett+ 4Pre offers a slightly higher maximum gain range of +57 dB, making it marginally better at amplifying low-level signals.
Both interfaces lack a high-pass filter, which means users will need to manage low-frequency noise through external means or within their digital audio workstation.
Additionally, neither the Scarlett 18i8 nor the Clarett+ 4Pre has solo/mute functionality, which could be a consideration for users looking for more control over individual channels during recording or live monitoring sessions.

Connectivity
Analog Audio I/O
2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line/Hi-Z Input (Front Panel) 2x Combo XLR-1/4" TRS Balanced Mic/Line Input (Front Panel) 4x 1/4" TRS Balanced Line Input 4x 1/4" TRS Balanced Line Output 2x 1/4" TRS Unbalanced Headphone Output (Front Panel)	2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line/Hi-Z Input (Front Panel) 2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line Input (Front Panel) 4x 1/4" TRS Balanced Line Input 4x 1/4" TRS Balanced Line Output 2x 1/4" TRS Unbalanced Headphone Output (Front Panel)
Phantom Power
48 V, Selectable On/Off (on 4 Channels)	48 V, Selectable On/Off (on 4 Channels)
Digital Audio I/O
1x RCA Coaxial S/PDIF Input 1x RCA Coaxial S/PDIF Output 1x TOSLINK Optical ADAT Input	1x TOSLINK Optical ADAT Input (S/MUX Support) 1x RCA Coaxial S/PDIF Input 1x RCA Coaxial S/PDIF Output
Host Connection
1x USB-C	1x USB-C
Host Connection Protocol
USB 2.0	USB 2.0
USB (Non-Host)

Sync I/O

Network I/O

MIDI I/O
1x DIN 5-Pin Input 1x DIN 5-Pin Output	1x DIN 5-Pin Input 1x DIN 5-Pin Output

The Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation) and the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface share several similarities but also exhibit key differences in their specifications.
Both interfaces offer a similar array of analog audio I/O options. Each device includes 2 combo XLR-1/4" TRS balanced/unbalanced mic/line/Hi-Z inputs on the front panel, 2 combo XLR-1/4" TRS balanced mic/line inputs on the front panel, 4 1/4" TRS balanced line inputs, and 4 1/4" TRS balanced line outputs. They also both feature 2 1/4" TRS unbalanced headphone outputs on the front panel, making them versatile choices for various recording and monitoring setups.
In terms of phantom power, both interfaces provide 48V phantom power that is selectable on or off for four channels, which is essential for powering condenser microphones and other devices that require external power.
Regarding digital audio I/O, the Scarlett 18i8 includes 1 RCA coaxial S/PDIF input, 1 RCA coaxial S/PDIF output, and 1 TOSLINK optical ADAT input. The Clarett+ 4Pre matches these offerings but with the addition of S/MUX support for the TOSLINK optical ADAT input, which can be an important consideration for users who require higher sample rate recordings through ADAT.
Both interfaces connect to the host via a USB-C port and utilize the USB 2.0 protocol for data transfer. However, neither device includes additional USB ports for non-host connections, sync I/O, or network I/O capabilities.
For MIDI connectivity, both the Scarlett 18i8 and the Clarett+ 4Pre are equipped with 1 DIN 5-pin MIDI input and 1 DIN 5-pin MIDI output, allowing integration with various MIDI controllers and instruments.
Overall, while both the Scarlett 18i8 and the Clarett+ 4Pre provide similar core functionalities, the Clarett+ 4Pre's support for S/MUX on the ADAT input could be a deciding factor for users needing higher sample rates through ADAT.

Performance
Frequency Response
20 Hz to 20 kHz ±0.1 dB	Mic Inputs: 20 Hz to 20 kHz ±0.03 dB 20 Hz to 35 kHz ±0.15 dB Line Inputs: 20 Hz to 20 kHz ±0.05 dB 20 Hz to 35 kHz ±0.15 dB Hi-Z Inputs: 20 Hz to 20 kHz ±0.04 dB 20 Hz to 35 kHz ±0.15 dB Line, Monitor Outputs: 20 Hz to 20 kHz ±0.02 dB 20 Hz to 35 kHz ±0.02 dB Headphone Outputs: 20 Hz to 20 kHz ±0.06 dB 20 Hz to 35 kHz ±0.07 dB
Maximum Input Level
Mic Inputs: +9 dBu (Min Gain) Hi-Z Inputs: +12.5 dBu (Min Gain) Line Inputs: +22 dBu (Min Gain)	Mic Inputs: +18 dBu Line Inputs: +26 dBu Hi-Z Inputs: +15 dBu
Maximum Output Level
Line Outputs: +15.5 dBu at 0 dBFS (Balanced) Headphone Outputs: +7 dBu	Line/Monitor Outputs: +18 dBu Headphone Outputs: +16 dBu
Impedance
Mic Inputs: 3 Kilohms Hi-Z Inputs: 1.5 Megohms Line Inputs: 60 Kilohms Line Outputs: 430 Ohms Headphone Outputs: < 1 Ohm	Inputs: 2.2 Kilohms
Dynamic Range
Mic Inputs: 111 dBA Hi-Z Inputs: 110 dBA Line Inputs: 110.5 dBA Line Outputs: 108 dBA Headphone Outputs: 104 dBA	Mic Inputs: 118 dB (Min Gain) Line Inputs: 118 dB (Min Gain) Hi-Z Inputs: 116 dB Line/Monitor Outputs: 124 dB Headphone Outputs: > 118 dB
THD+N
Mic Inputs: < 0.0012% Hi-Z Inputs: < 0.03% Line Inputs: < 0.002% Line Outputs: < 0.002% Headphone Outputs: < 0.002%	Mic Inputs: -110 dB (+20 dB Input, at -1 dBFS) Line Inputs: -100 dB (Min Gain, at -1 dBFS) Hi-Z Inputs: -96.5 dB (Min Gain, at -1 dBFS) Line/Monitor Outputs: -106 dB Headphone Outputs: -104 dB
EIN
Mic Inputs: -128 dB A-Weighted	Mic Inputs: < -129 dBu

The Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation) and the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface are two distinguished audio interfaces, each with unique features tailored for different user needs.
In terms of frequency response, the Scarlett 18i8 maintains a range of 20 Hz to 20 kHz with a deviation of ±0.1 dB, ensuring a flat and accurate reproduction of sound across the standard audible range. On the other hand, the Clarett+ 4Pre offers an extended frequency response, covering 20 Hz to 35 kHz with varying deviations depending on the input type (e.g., ±0.03 dB for mic inputs up to 20 kHz, ±0.15 dB up to 35 kHz), which provides a broader spectrum for professionals needing the extra bandwidth.
For maximum input levels, the Scarlett 18i8 offers +9 dBu for mic inputs, +12.5 dBu for Hi-Z inputs, and +22 dBu for line inputs. Comparatively, the Clarett+ 4Pre provides higher thresholds with +18 dBu for mic inputs, +15 dBu for Hi-Z inputs, and +26 dBu for line inputs, making it more suitable for handling higher signal levels without distortion.
Regarding maximum output levels, the Scarlett 18i8 outputs up to +15.5 dBu for line outputs and +7 dBu for headphone outputs. The Clarett+ 4Pre, however, delivers higher output levels of +18 dBu for line/monitor outputs and +16 dBu for headphone outputs, which is advantageous for driving more demanding headphones and monitors.
When considering impedance, the Scarlett 18i8 features mic inputs at 3 kOhms, Hi-Z inputs at 1.5 MOhms, line inputs at 60 kOhms, line outputs at 430 Ohms, and headphone outputs at less than 1 Ohm. The Clarett+ 4Pre simplifies its impedance specifications to 2.2 kOhms for all inputs, which might suggest a more streamlined design for handling various input sources.
In terms of dynamic range, the Scarlett 18i8 offers 111 dBA for mic inputs, 110 dBA for Hi-Z inputs, 110.5 dBA for line inputs, 108 dBA for line outputs, and 104 dBA for headphone outputs. The Clarett+ 4Pre significantly outperforms in this area with 118 dB for mic and line inputs, 116 dB for Hi-Z inputs, 124 dB for line/monitor outputs, and greater than 118 dB for headphone outputs, providing superior headroom and signal clarity.
Analyzing THD+N (Total Harmonic Distortion plus Noise), the Scarlett 18i8 maintains low distortion levels with mic inputs at less than 0.0012%, Hi-Z inputs at less than 0.03%, line inputs at less than 0.002%, line outputs at less than 0.002%, and headphone outputs at less than 0.002%. The Clarett+ 4Pre, however, offers even lower distortion values, such as -110 dB for mic inputs, -100 dB for line inputs, -96.5 dB for Hi-Z inputs, -106 dB for line/monitor outputs, and -104 dB for headphone outputs, ensuring cleaner sound reproduction.
Lastly, the EIN (Equivalent Input Noise) for the Scarlett 18i8 is -128 dB A-weighted, while the Clarett+ 4Pre boasts a slightly better EIN at less than -129 dBu, indicating marginally lower inherent noise and thus better performance for recording quiet sources.
Overall, while both interfaces offer robust features, the Focusrite Clarett+ 4Pre generally provides higher specifications, making it better suited for professional environments requiring top-tier audio performance. The Scarlett 18i8 remains a strong contender for users seeking reliable performance at a potentially more accessible price point.

Digital Audio
Sample Rates
Up to 192 kHz (AD/DA Conversion)	44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
Sample Rate Conversion

Bit Depths
Up to 24-Bit (AD/DA Conversion)	24-Bit (AD/DA Conversion)
Sync Sources
ADAT, Internal, S/PDIF	ADAT, Internal, S/PDIF

The Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation) and the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface both offer high-quality audio recording and MIDI interfacing capabilities, but they have some distinctions in their features.
Both interfaces support sample rates up to 192 kHz for AD/DA conversion, ensuring high-resolution audio recording and playback. They also share the same bit depth of up to 24-bit for AD/DA conversion, which provides a wide dynamic range and high-quality sound.
Neither the Scarlett 18i8 nor the Clarett+ 4Pre offers sample rate conversion, meaning they do not have the capability to convert audio from one sample rate to another internally.
In terms of sync sources, both models support ADAT, Internal, and S/PDIF synchronization, which allows for integration with other digital audio equipment and ensures precise timing and reduced jitter.
Overall, the primary technical specifications regarding sample rates, bit depths, and sync sources are quite similar between the Scarlett 18i8 and the Clarett+ 4Pre, making them both suitable for a range of professional audio recording and production tasks.

Audio Storage & Playback
Memory Card Slot

The Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation) and the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface both share a common feature in that neither includes a memory card slot. This means that users of either interface will need to utilize alternative methods for data storage and transfer, such as connecting to a computer or external storage device through their respective USB Type-C connections.
Both interfaces cater to musicians and audio producers who require high-quality input options without the need for additional onboard storage. This omission simplifies the design and focuses the interfaces on delivering premium audio performance and connectivity options.
In summary, when comparing these two Focusrite products, both the Scarlett 18i8 (3rd Generation) and the Clarett+ 4Pre lack memory card slots, indicating a shared design decision to prioritize other aspects of audio and MIDI interface functionality.

Compatibility
OS Compatibility
macOS 10.12 or Later Windows 7 or Later iPadOS	macOS 10.11 or Later macOS 11 Windows 7 or Later
Mobile Device Compatibility

Required Hardware
Available USB 2.0 Port USB Cable (Included)	Available USB 2.0 Port, USB 3.0 / 3.1/3.2 Gen 1 Port, or USB-C Port USB Cable (Included)
Internet Connection
Required for Software/Driver Download	Required for Registration, Software/Driver Download

The Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation) and the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface both offer robust solutions for audio recording and production but differ in key specifications.
For the Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation), the OS compatibility includes macOS 10.12 or later, Windows 7 or later, and iPadOS, making it versatile across various systems. It is mobile app compatible, although it does not support direct mobile device compatibility. Required hardware for operation includes an available USB 2.0 port, and a USB cable is included in the package. An internet connection is necessary for software and driver downloads.
On the other hand, the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface supports macOS 10.11 or later, macOS 11, and Windows 7 or later. Unlike the Scarlett 18i8, it does not come with included software. It also does not support direct mobile device compatibility. The required hardware includes an available USB 2.0 port, USB 3.0 / 3.1/3.2 Gen 1 port, or USB-C port, with a USB cable included. An internet connection is required for registration as well as for software and driver downloads.
In summary, both interfaces require an internet connection for essential setup procedures and come with necessary USB cables. The Scarlett 18i8 offers broader OS compatibility with support for macOS 10.12 or later, Windows 7 or later, and iPadOS, as well as mobile app compatibility. The Clarett+ 4Pre, however, extends support to macOS 11 and offers a wider range of USB port compatibility but does not include software in the package.

Power
Power Requirements
AC/DC Power Adapter (Included)	AC/DC Power Adapter (Included)
AC/DC Power Adapter
12 VDC at 1 A, Center-Positive (Included)	12 VDC at 2 A, Center-Positive (Included)

The Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation) and the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface both come with AC/DC power adapters included in their packages, but they differ slightly in their power requirements.
The Scarlett 18i8 requires a 12 VDC power adapter with a current rating of 1 A, center-positive. This indicates that the device needs a moderate amount of power to function, making it suitable for various recording and production environments without a significant power load. The inclusion of the power adapter ensures users can easily set up and start using the interface without needing to source additional power solutions.
On the other hand, the Clarett+ 4Pre also uses a 12 VDC power adapter but with a higher current rating of 2 A, center-positive. This suggests that the Clarett+ 4Pre may have higher power demands, potentially due to more advanced internal components or additional features that require more power to operate efficiently. The higher current rating could imply a more robust performance capability, which might appeal to users looking for a more powerful and possibly more versatile audio interface.
In summary, while both the Scarlett 18i8 and the Clarett+ 4Pre include necessary power adapters, the Clarett+ 4Pre's higher current requirement of 2 A compared to the Scarlett 18i8's 1 A suggests a difference in power consumption that could correlate with performance and feature set enhancements in the Clarett+ model.

Physical
Anti-Theft Features
Kensington Security Slot	Kensington Security Slot
Dimensions
9.49 x 6.28 x 2.4" / 24.1 x 15.95 x 6.1 cm	8.74 x 7.56 x 2.5" / 22.2 x 19.2 x 6.3 cm

The Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation) and the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface both feature anti-theft protection with a Kensington Security Slot. This allows users to secure their devices in environments where theft might be a concern, providing peace of mind for both studio and on-the-go setups.
In terms of dimensions, the Scarlett 18i8 measures 9.49 x 6.28 x 2.4 inches (24.1 x 15.95 x 6.1 cm), making it slightly longer and narrower compared to the Clarett+ 4Pre, which measures 8.74 x 7.56 x 2.5 inches (22.2 x 19.2 x 6.3 cm). The Clarett+ 4Pre is more compact in length but has a greater width and height, which might affect how it fits on your desktop or in your travel bag.
The weight of the Clarett+ 4Pre is listed at 3.0 lb (1.4 kg), while the Scarlett 18i8's weight is not specified. However, based on the dimensions and the robust build quality typically associated with Focusrite products, the Scarlett 18i8 is likely to be similarly sturdy but potentially lighter. This could be a consideration for those who prioritize portability and ease of transport.
In summary, both interfaces offer similar anti-theft features and high build quality, but they differ in their physical dimensions and weight. The Scarlett 18i8 is longer and narrower, whereas the Clarett+ 4Pre is more compact in length but wider and slightly taller, with a specified weight of 3.0 lb (1.4 kg).

Packaging Info
Package Weight
4.7 lb	5.47 lb
Box Dimensions (LxWxH)
12.6 x 10.5 x 3.4"	11.6 x 11.2 x 5.1"

The Focusrite Scarlett 18i8 USB-C Audio/MIDI Interface (3rd Generation) has a package weight of 4.7 lb and box dimensions of 12.6 x 10.5 x 3.4 inches. In comparison, the Focusrite Clarett+ 4Pre Desktop 18x8 USB Type-C Audio/MIDI Interface has a slightly heavier package weight of 5.47 lb and more compact box dimensions of 11.6 x 11.2 x 5.1 inches.
Despite the similar functionality and purpose of both interfaces, the Scarlett 18i8 is lighter and has a more elongated box shape, while the Clarett+ 4Pre, though heavier, comes in a box with a more balanced square-like dimension. This might indicate differences in internal components, packaging materials, or design philosophy between the two models.
The Scarlett 18i8's lighter weight and longer dimensions might make it a more portable option, whereas the Clarett+ 4Pre's heavier weight and more compact box suggest a sturdier build, potentially offering robustness desirable in more stationary studio setups.