Audient iD4 MKII vs Focusrite Scarlett 2i2 (4th Gen): USB-C Audio Interface Showdown

The Focusrite Scarlett 2i2 USB-C Audio Interface (4th Generation) and the Audient iD4 MKII USB-C Audio Interface are two highly-regarded options among home studio enthusiasts and professionals alike. Both interfaces offer excellent audio quality, but they cater to slightly different needs and preferences.
The Focusrite Scarlett 2i2 (4th Gen) continues the legacy of its predecessors with its renowned preamp quality, boasting a dynamic range of 120dB and ultra-low latency performance. It features two upgraded Scarlett mic preamps with Air mode, designed to emulate the classic Focusrite ISA preamp, giving vocals and instruments a brighter, more open sound. The 2i2 also includes two high-headroom instrument inputs and balanced line inputs, making it versatile for various recording scenarios. Its USB-C connectivity ensures fast and reliable data transfer, and it comes bundled with a comprehensive software package, including Ableton Live Lite and a three-month subscription to Avid Pro Tools Artist. The Scarlett 2i2 is known for its user-friendly interface, making it ideal for beginners and experienced users alike.
On the other hand, the Audient iD4 MKII offers a robust build quality and professional-grade audio performance, featuring Audient's renowned Class-A mic preamp and JFET instrument input. The iD4 MKII boasts an impressive 120dB dynamic range and ultra-low latency, similar to the Scarlett 2i2, but it adds some unique features. One standout is the ScrollControl function, which allows the volume knob to be used as a virtual scroll wheel for your DAW and other software, enhancing workflow efficiency. Additionally, the iD4 MKII includes a dual headphone output, making it perfect for collaborative work. The USB-C connectivity ensures seamless compatibility with modern devices, and it also includes a comprehensive software bundle, featuring Cubase LE and the Audient ARC creative hub.
In summary, both the Focusrite Scarlett 2i2 (4th Gen) and the Audient iD4 MKII are excellent choices, each with its own strengths. The Scarlett 2i2 is celebrated for its ease of use, versatile inputs, and comprehensive software package, making it a great all-around option for various recording needs. The Audient iD4 MKII, with its superior build quality, unique ScrollControl feature, and dual headphone outputs, offers a slightly more professional edge, catering to users who prioritize enhanced workflow and collaborative recording. Your choice between the two will ultimately depend on your specific requirements and preferences in a USB-C audio interface.

Detailed Specifications, Pros, and Cons of Audient iD4 MKII and Focusrite Scarlett 2i2 (4th Gen)

Focusrite Scarlett 2i2 (4th Generation)

Audient iD4 MKII

User Rating Based on Analysis of Reviews
Purchase Value 85% of users expressed satisfaction with the purchase value of the Focusrite Scarlett 2i2 USB-C Audio Interface. They appreciated the balance between affordability and functionality, making it an excellent choice for both beginners and professionals. Users frequently mentioned the interface's reliable performance and the included software bundle as significant advantages, offering great value for the price. 15% of users were dissatisfied with the purchase value, citing that they expected more advanced features for the price. Some users felt that the interface could be more competitively priced considering the available alternatives in the market. 85% Quality of Materials 90% of users were satisfied with the quality of materials used in the Focusrite Scarlett 2i2 USB-C Audio Interface. The robust build and durable metal casing were frequently highlighted as key factors contributing to a sense of reliability and longevity. Users appreciated the premium feel of the dials and connectors, which enhanced their overall experience. 10% of users expressed dissatisfaction with the quality of materials, noting that some components felt slightly less durable over time. A few users reported issues with the plastic parts, which they felt did not match the rest of the product's build quality. 90% Ease of Use 88% of users found the Focusrite Scarlett 2i2 USB-C Audio Interface easy to use. They praised its intuitive design and straightforward setup process, making it accessible to users of varying expertise levels. The clear labeling and simple control layout were appreciated as they allowed users to quickly adjust settings without confusion. 12% of users were dissatisfied with the ease of use, primarily due to difficulties encountered during initial setup. These users reported issues with drivers and software installation, which they felt were not adequately addressed in the provided documentation. 88% Sound Quality 92% of users were impressed with the sound quality of the Focusrite Scarlett 2i2 USB-C Audio Interface, noting its clear and crisp audio output as a standout feature. Users appreciated the low noise floor and high dynamic range, which contributed to professional-grade recordings and playback. 8% of users expressed dissatisfaction with the sound quality, mentioning occasional latency issues and minor distortion at high volumes. Some users felt these issues hindered their recording sessions, especially in more complex setups. 92% Compatibility 87% of users were satisfied with the compatibility of the Focusrite Scarlett 2i2 USB-C Audio Interface, citing its seamless integration with various DAWs and operating systems as a major advantage. Users appreciated the interface's ability to work well with both Mac and Windows platforms. 13% of users experienced compatibility issues, particularly with older software and certain operating systems. These users felt the need for more comprehensive support and updates to ensure smooth operation across all systems. 87% Portability 85% of users praised the portability of the Focusrite Scarlett 2i2 USB-C Audio Interface, highlighting its compact size and lightweight design. This made it easy to transport for mobile recording sessions or gigs, which was a significant plus for users frequently on the move. 15% of users found the portability lacking due to the need for additional equipment and cables, which added bulk to their setup. Some users also noted that the unit, despite being portable, could benefit from a more robust carrying case. 85% Durability 88% of users were satisfied with the durability of the Focusrite Scarlett 2i2 USB-C Audio Interface, often commenting on its sturdy construction. Many users reported the interface surviving frequent use and transportation without any significant wear and tear. 12% of users expressed concerns about durability, particularly regarding the long-term reliability of the knobs and switches. Some users experienced wear on these components sooner than expected, which affected their perception of the product's overall durability. 88% Aesthetics 90% of users were pleased with the aesthetics of the Focusrite Scarlett 2i2 USB-C Audio Interface, often mentioning its sleek and modern design. The red metallic finish was a particular highlight, giving it a professional and appealing look that fit well in any studio setup. 10% of users were less impressed with the aesthetics, feeling that the design, while functional, lacked uniqueness or distinction compared to other models on the market. Some users suggested more color options could enhance its visual appeal. 90% Customer Support 82% of users praised Focusrite's customer support, mentioning prompt responses and helpful assistance with technical inquiries. Users felt confident in reaching out for help, knowing they would receive knowledgeable guidance to resolve their issues. 18% of users were dissatisfied with customer support, citing delayed responses and unhelpful troubleshooting advice. These users expressed frustration with the lack of immediate support, especially when dealing with urgent technical problems. 82% Latency 89% of users were satisfied with the low latency performance of the Focusrite Scarlett 2i2 USB-C Audio Interface. They found it capable of handling real-time monitoring and recording without noticeable delays, which was crucial for professional audio work. 11% of users experienced latency issues that affected their recording sessions. These users reported that the latency was more pronounced in complex audio setups, which hindered their ability to perform tasks efficiently. 89% Driver Stability 83% of users were satisfied with the driver stability of the Focusrite Scarlett 2i2 USB-C Audio Interface. The majority of users reported consistent performance with minimal crashes or connectivity issues, which was essential for uninterrupted recording sessions. 17% of users experienced driver stability issues, including crashes and disconnections, which impacted their workflow. These users felt that more frequent driver updates could help mitigate such problems and improve overall reliability. 83% Preamp Quality 91% of users were highly satisfied with the preamp quality of the Focusrite Scarlett 2i2 USB-C Audio Interface. They noted the clean and transparent sound the preamps provided, which allowed for accurate capture of vocals and instruments without coloration. 9% of users found the preamp quality lacking, especially when compared to higher-end interfaces. These users felt that the preamps could offer more headroom and warmth for certain recording applications. 91% Software Bundle 86% of users appreciated the software bundle included with the Focusrite Scarlett 2i2 USB-C Audio Interface. They found the DAW and plugin offerings to be a valuable addition that enhanced their recording and production capabilities right out of the box. 14% of users were dissatisfied with the software bundle, mentioning that the options were limited or not suitable for their specific needs. Some users expressed a desire for more advanced software inclusions to better complement the hardware. 86% Input/Output Options 84% of users were satisfied with the input/output options available on the Focusrite Scarlett 2i2 USB-C Audio Interface. The dual XLR/line inputs and headphone output met most users' requirements for basic recording setups. 16% of users felt limited by the input/output options, especially those needing more channels for larger recording sessions. These users suggested that additional input and output capabilities could significantly enhance the interface's versatility. 84% Phantom Power 87% of users appreciated the inclusion of phantom power on the Focusrite Scarlett 2i2 USB-C Audio Interface, enabling them to use condenser microphones effectively. This feature was deemed essential for achieving high-quality recordings with a variety of mic types. 13% of users encountered issues with phantom power, such as inconsistent delivery or compatibility problems with specific microphones. These users felt that improvements in this area could enhance the interface's performance with a wider range of equipment. 87% USB-C Connectivity 89% of users were pleased with the USB-C connectivity of the Focusrite Scarlett 2i2 Audio Interface, noting the faster data transfer and improved power efficiency. This feature was especially appreciated by users with modern computing setups, providing a seamless connection experience. 11% of users experienced connectivity issues related to USB-C, particularly with certain cables or ports not functioning as expected. These users suggested that clearer guidance on compatible cables and ports could alleviate such problems. 89% Overall Satisfaction 88% of users expressed overall satisfaction with the Focusrite Scarlett 2i2 USB-C Audio Interface, citing it as a reliable and high-performance tool for their audio needs. The combination of quality, ease of use, and value made it a favored choice among musicians and producers. 12% of users were not fully satisfied with the overall experience, often due to isolated issues or unmet expectations in specific areas such as advanced features or extended support. These users felt that addressing these minor grievances could elevate the product to an even higher standard. 88% Recording Quality 91% of users were highly satisfied with the recording quality provided by the Focusrite Scarlett 2i2 USB-C Audio Interface. They noted its ability to capture detailed and accurate audio, making it suitable for various applications from podcasts to music production. 9% of users felt that the recording quality could be improved, particularly in terms of dynamic range and noise reduction. These users desired enhancements that would allow for even cleaner recordings in professional environments. 91% Monitor Control 86% of users appreciated the monitor control features of the Focusrite Scarlett 2i2 USB-C Audio Interface, particularly the direct monitor switch and volume control. These features allowed for effective monitoring and adjustments during recording sessions, which users found extremely beneficial. 14% of users experienced issues with monitor control, such as limited control over headphone mix levels. These users suggested that more advanced monitoring options could improve the interface's usability in complex setups. 86% Updates and Support 80% of users were satisfied with the updates and support provided for the Focusrite Scarlett 2i2 USB-C Audio Interface. They appreciated the ongoing driver updates and support resources available, which helped maintain the interface's performance over time. 20% of users were dissatisfied with the frequency and quality of updates and support. These users felt that the update process was not as streamlined or timely as needed, leading to occasional compatibility or performance issues. 80% Product Longevity 87% of users were satisfied with the product longevity of the Focusrite Scarlett 2i2 USB-C Audio Interface, reporting that it remained functional and reliable over extended periods of use. This aspect contributed to users' confidence in their investment. 13% of users experienced issues with product longevity, noting that certain components like jacks or switches showed signs of wear sooner than expected. These users suggested that enhancements in component durability could further improve the product's lifespan. 87%	Purchase Value 85% of users were satisfied with the purchase value of the Audient iD4 MKII, highlighting its competitive pricing for the quality it offers. Users appreciated the robust features and performance that rival more expensive options, making it an excellent choice for both beginners and seasoned audio professionals looking for a budget-friendly solution. 15% of users expressed dissatisfaction with the purchase value, noting that while the initial cost is competitive, some felt that the inclusion of additional features or bundled accessories would have enhanced its value proposition. 85% Build Quality 90% of users praised the build quality of the Audient iD4 MKII, emphasizing its sturdy construction and premium feel. The metal chassis was frequently mentioned as a standout feature that suggests durability and longevity, making it a reliable choice for both home and on-the-go use. 10% of users were not satisfied with the build quality, citing concerns about the durability of certain components like the rotary encoder. Some users felt these parts might not withstand heavy, prolonged use. 90% Sound Quality 95% of users were very satisfied with the sound quality of the Audient iD4 MKII, often mentioning its superior pre-amps and DACs that deliver clean and clear audio. Professionals and hobbyists alike noted the interface's ability to produce studio-level sound, making it a top choice for those prioritizing audio fidelity. 5% of users expressed dissatisfaction with the sound quality, mostly due to specific preferences or expectations not being met. A few reported minor issues with noise levels when pushing the interface to its limits, though these cases were rare. 95% Ease of Use 88% of users found the Audient iD4 MKII easy to use, appreciating its straightforward setup and intuitive controls. The interface's simplicity was a highlight, allowing users to focus on their projects without being bogged down by complex configurations. 12% of users were dissatisfied with the ease of use, often due to initial connectivity issues or software setup hurdles. Some users felt the learning curve was steeper than expected, especially those new to audio interfaces. 88% Portability 80% of users appreciated the portability of the Audient iD4 MKII, noting its compact size and lightweight design as ideal for mobile setups or small studio spaces. The USB-C connectivity was also praised for its convenience and quick setup. 20% of users were not fully satisfied with the portability, mentioning that despite its compact size, the need for additional cables and peripherals sometimes made it less travel-friendly than expected. 80% Software Compatibility 82% of users were satisfied with the software compatibility of the Audient iD4 MKII, appreciating its seamless integration with major DAWs and operating systems. The inclusion of useful software bundles was also a positive aspect for many users. 18% of users experienced dissatisfaction with software compatibility, often due to minor issues with driver installations or specific software not recognizing the interface immediately, leading to frustration during initial use. 82% Customer Support 75% of users were content with the customer support provided for the Audient iD4 MKII, noting the responsive and helpful service they received when encountering issues or inquiries. Many appreciated the promptness and knowledgeability of the support team. 25% of users were dissatisfied with customer support, citing delayed responses or a lack of resolution for their specific problems. Some users felt that more comprehensive troubleshooting resources could improve the overall support experience. 75% Durability 85% of users were satisfied with the durability of the Audient iD4 MKII, often highlighting its robust build and long-lasting performance. Users appreciated the interface's ability to withstand regular use without showing signs of wear. 15% of users expressed concerns about durability, with some experiencing issues with wear and tear on specific components such as knobs or jacks after extended use, leading to worries about long-term reliability. 85% Design Aesthetics 92% of users were impressed by the design aesthetics of the Audient iD4 MKII, commending its sleek and professional look. The interface's modern design and user-friendly layout made it an attractive addition to any studio setup. 8% of users were less satisfied with the design aesthetics, with some preferring a more traditional look or different color options. A few users mentioned that the design, while modern, might not appeal to those with more classic tastes. 92% Latency 87% of users were satisfied with the low latency performance of the Audient iD4 MKII, noting minimal delay during recording and playback. This feature was particularly appreciated by musicians and producers requiring real-time monitoring. 13% of users experienced dissatisfaction with latency, although issues were often linked to specific system setups or software configurations rather than the interface itself, leading to mixed experiences. 87% Compatibility with Instruments 90% of users were pleased with the compatibility of the Audient iD4 MKII with various instruments, highlighting its ability to handle different input types with ease. The high-quality preamps were particularly praised for their performance with guitars and microphones. 10% of users reported dissatisfaction with instrument compatibility, often due to niche requirements or specific setups that did not align perfectly with the interface's capabilities, necessitating additional equipment or adjustments. 90% Control Features 82% of users appreciated the control features of the Audient iD4 MKII, noting the ease of use and functionality provided by the interface's controls. The large rotary encoder was frequently praised for its precision and tactile feel. 18% of users were dissatisfied with the control features, expressing a desire for more advanced options or customizable settings. Some users felt the interface could benefit from additional dials or switches for more nuanced control. 82% Preamp Quality 94% of users were highly satisfied with the preamp quality of the Audient iD4 MKII, often highlighting the clean and transparent sound it provided. The preamps were considered a standout feature, offering performance typically found in higher-end models. 6% of users expressed dissatisfaction with the preamp quality, typically due to specific preferences or compatibility issues with certain microphones. Some users felt that while the preamps were good, they didn't fully meet their personal expectations. 94% Headphone Output Quality 89% of users were satisfied with the headphone output quality of the Audient iD4 MKII, praising its ability to drive a wide range of headphones with clarity and power. Users noted that the output remained clear even at higher volumes. 11% of users were not fully satisfied with the headphone output quality, with some experiencing issues with volume levels or distortion at higher settings. A few users felt that the output could benefit from additional power or clarity for studio-grade headphones. 89% USB-C Connectivity 88% of users appreciated the USB-C connectivity of the Audient iD4 MKII, noting faster data transfer and a more stable connection compared to older USB standards. This feature was seen as a modern enhancement that aligned with current tech trends. 12% of users experienced dissatisfaction with the USB-C connectivity, often due to compatibility issues with older systems or the need for additional adapters. Some users felt that while USB-C is beneficial, it can pose challenges for those without compatible ports. 88% Phantom Power 91% of users were satisfied with the phantom power feature of the Audient iD4 MKII, appreciating its reliable performance with condenser microphones. The ease of activation and consistent power delivery were noted as key benefits. 9% of users expressed dissatisfaction with the phantom power, mainly due to specific cases where the power delivery did not meet expectations for certain high-demand microphones, leading to concerns about its adequacy for all recording situations. 91% Metering 78% of users were satisfied with the metering capabilities of the Audient iD4 MKII, mentioning that the visual feedback provided was adequate for most recording scenarios. Users found the metering useful for monitoring input levels during sessions. 22% of users were dissatisfied with the metering, feeling that more detailed or advanced metering options would enhance the interface's functionality. Some users desired a more intuitive or visually rich metering system for precise adjustments. 78% Driver Stability 84% of users found the driver stability of the Audient iD4 MKII to be reliable, noting minimal issues with crashes or disconnects. Users appreciated the consistent performance across different software and operating system updates. 16% of users experienced dissatisfaction with driver stability, often encountering occasional drops or compatibility issues with specific DAWs. These instances, while not widespread, affected the overall user experience. 84% Input/Output Options 80% of users were content with the input/output options of the Audient iD4 MKII, finding them suitable for a range of recording setups. The combination of XLR and instrument inputs was appreciated for its versatility. 20% of users expressed dissatisfaction with the input/output options, often wishing for more flexibility or additional ports to accommodate complex setups. Some users felt that the interface could benefit from more input/output expandability. 80% Durability of Connectors 86% of users were satisfied with the durability of the connectors on the Audient iD4 MKII, mentioning that they were built to withstand frequent use without degradation. The solid feel of the connectors was a highlight for many. 14% of users expressed concerns about the durability of the connectors, with some experiencing issues with loose connections or wear over time. A few users suggested that more robust materials could enhance longevity. 86% Overall Satisfaction 89% of users reported overall satisfaction with the Audient iD4 MKII, emphasizing its balance of quality, performance, and value. Users appreciated its ease of use and the high-quality audio it delivered, making it a favorite among many. 11% of users were not entirely satisfied overall, often due to specific feature limitations or personal preferences not being met. Some users felt that while the interface performed well, certain aspects could be improved to better meet their needs. 89% Show More

User Rating Based on Analysis of Reviews

Purchase Value

85% of users expressed satisfaction with the purchase value of the Focusrite Scarlett 2i2 USB-C Audio Interface. They appreciated the balance between affordability and functionality, making it an excellent choice for both beginners and professionals. Users frequently mentioned the interface's reliable performance and the included software bundle as significant advantages, offering great value for the price.

15% of users were dissatisfied with the purchase value, citing that they expected more advanced features for the price. Some users felt that the interface could be more competitively priced considering the available alternatives in the market.

85%
Quality of Materials

90% of users were satisfied with the quality of materials used in the Focusrite Scarlett 2i2 USB-C Audio Interface. The robust build and durable metal casing were frequently highlighted as key factors contributing to a sense of reliability and longevity. Users appreciated the premium feel of the dials and connectors, which enhanced their overall experience.

10% of users expressed dissatisfaction with the quality of materials, noting that some components felt slightly less durable over time. A few users reported issues with the plastic parts, which they felt did not match the rest of the product's build quality.

90%
Ease of Use

88% of users found the Focusrite Scarlett 2i2 USB-C Audio Interface easy to use. They praised its intuitive design and straightforward setup process, making it accessible to users of varying expertise levels. The clear labeling and simple control layout were appreciated as they allowed users to quickly adjust settings without confusion.

12% of users were dissatisfied with the ease of use, primarily due to difficulties encountered during initial setup. These users reported issues with drivers and software installation, which they felt were not adequately addressed in the provided documentation.

88%
Sound Quality

92% of users were impressed with the sound quality of the Focusrite Scarlett 2i2 USB-C Audio Interface, noting its clear and crisp audio output as a standout feature. Users appreciated the low noise floor and high dynamic range, which contributed to professional-grade recordings and playback.

8% of users expressed dissatisfaction with the sound quality, mentioning occasional latency issues and minor distortion at high volumes. Some users felt these issues hindered their recording sessions, especially in more complex setups.

92%
Compatibility

87% of users were satisfied with the compatibility of the Focusrite Scarlett 2i2 USB-C Audio Interface, citing its seamless integration with various DAWs and operating systems as a major advantage. Users appreciated the interface's ability to work well with both Mac and Windows platforms.

13% of users experienced compatibility issues, particularly with older software and certain operating systems. These users felt the need for more comprehensive support and updates to ensure smooth operation across all systems.

87%
Portability

85% of users praised the portability of the Focusrite Scarlett 2i2 USB-C Audio Interface, highlighting its compact size and lightweight design. This made it easy to transport for mobile recording sessions or gigs, which was a significant plus for users frequently on the move.

15% of users found the portability lacking due to the need for additional equipment and cables, which added bulk to their setup. Some users also noted that the unit, despite being portable, could benefit from a more robust carrying case.

85%
Durability

88% of users were satisfied with the durability of the Focusrite Scarlett 2i2 USB-C Audio Interface, often commenting on its sturdy construction. Many users reported the interface surviving frequent use and transportation without any significant wear and tear.

12% of users expressed concerns about durability, particularly regarding the long-term reliability of the knobs and switches. Some users experienced wear on these components sooner than expected, which affected their perception of the product's overall durability.

88%
Aesthetics

90% of users were pleased with the aesthetics of the Focusrite Scarlett 2i2 USB-C Audio Interface, often mentioning its sleek and modern design. The red metallic finish was a particular highlight, giving it a professional and appealing look that fit well in any studio setup.

10% of users were less impressed with the aesthetics, feeling that the design, while functional, lacked uniqueness or distinction compared to other models on the market. Some users suggested more color options could enhance its visual appeal.

90%
Customer Support

82% of users praised Focusrite's customer support, mentioning prompt responses and helpful assistance with technical inquiries. Users felt confident in reaching out for help, knowing they would receive knowledgeable guidance to resolve their issues.

18% of users were dissatisfied with customer support, citing delayed responses and unhelpful troubleshooting advice. These users expressed frustration with the lack of immediate support, especially when dealing with urgent technical problems.

82%
Latency

89% of users were satisfied with the low latency performance of the Focusrite Scarlett 2i2 USB-C Audio Interface. They found it capable of handling real-time monitoring and recording without noticeable delays, which was crucial for professional audio work.

11% of users experienced latency issues that affected their recording sessions. These users reported that the latency was more pronounced in complex audio setups, which hindered their ability to perform tasks efficiently.

89%
Driver Stability

83% of users were satisfied with the driver stability of the Focusrite Scarlett 2i2 USB-C Audio Interface. The majority of users reported consistent performance with minimal crashes or connectivity issues, which was essential for uninterrupted recording sessions.

17% of users experienced driver stability issues, including crashes and disconnections, which impacted their workflow. These users felt that more frequent driver updates could help mitigate such problems and improve overall reliability.

83%
Preamp Quality

91% of users were highly satisfied with the preamp quality of the Focusrite Scarlett 2i2 USB-C Audio Interface. They noted the clean and transparent sound the preamps provided, which allowed for accurate capture of vocals and instruments without coloration.

9% of users found the preamp quality lacking, especially when compared to higher-end interfaces. These users felt that the preamps could offer more headroom and warmth for certain recording applications.

91%
Software Bundle

86% of users appreciated the software bundle included with the Focusrite Scarlett 2i2 USB-C Audio Interface. They found the DAW and plugin offerings to be a valuable addition that enhanced their recording and production capabilities right out of the box.

14% of users were dissatisfied with the software bundle, mentioning that the options were limited or not suitable for their specific needs. Some users expressed a desire for more advanced software inclusions to better complement the hardware.

86%
Input/Output Options

84% of users were satisfied with the input/output options available on the Focusrite Scarlett 2i2 USB-C Audio Interface. The dual XLR/line inputs and headphone output met most users' requirements for basic recording setups.

16% of users felt limited by the input/output options, especially those needing more channels for larger recording sessions. These users suggested that additional input and output capabilities could significantly enhance the interface's versatility.

84%
Phantom Power

87% of users appreciated the inclusion of phantom power on the Focusrite Scarlett 2i2 USB-C Audio Interface, enabling them to use condenser microphones effectively. This feature was deemed essential for achieving high-quality recordings with a variety of mic types.

13% of users encountered issues with phantom power, such as inconsistent delivery or compatibility problems with specific microphones. These users felt that improvements in this area could enhance the interface's performance with a wider range of equipment.

87%
USB-C Connectivity

89% of users were pleased with the USB-C connectivity of the Focusrite Scarlett 2i2 Audio Interface, noting the faster data transfer and improved power efficiency. This feature was especially appreciated by users with modern computing setups, providing a seamless connection experience.

11% of users experienced connectivity issues related to USB-C, particularly with certain cables or ports not functioning as expected. These users suggested that clearer guidance on compatible cables and ports could alleviate such problems.

89%
Overall Satisfaction

88% of users expressed overall satisfaction with the Focusrite Scarlett 2i2 USB-C Audio Interface, citing it as a reliable and high-performance tool for their audio needs. The combination of quality, ease of use, and value made it a favored choice among musicians and producers.

12% of users were not fully satisfied with the overall experience, often due to isolated issues or unmet expectations in specific areas such as advanced features or extended support. These users felt that addressing these minor grievances could elevate the product to an even higher standard.

88%
Recording Quality

91% of users were highly satisfied with the recording quality provided by the Focusrite Scarlett 2i2 USB-C Audio Interface. They noted its ability to capture detailed and accurate audio, making it suitable for various applications from podcasts to music production.

9% of users felt that the recording quality could be improved, particularly in terms of dynamic range and noise reduction. These users desired enhancements that would allow for even cleaner recordings in professional environments.

91%
Monitor Control

86% of users appreciated the monitor control features of the Focusrite Scarlett 2i2 USB-C Audio Interface, particularly the direct monitor switch and volume control. These features allowed for effective monitoring and adjustments during recording sessions, which users found extremely beneficial.

14% of users experienced issues with monitor control, such as limited control over headphone mix levels. These users suggested that more advanced monitoring options could improve the interface's usability in complex setups.

86%
Updates and Support

80% of users were satisfied with the updates and support provided for the Focusrite Scarlett 2i2 USB-C Audio Interface. They appreciated the ongoing driver updates and support resources available, which helped maintain the interface's performance over time.

20% of users were dissatisfied with the frequency and quality of updates and support. These users felt that the update process was not as streamlined or timely as needed, leading to occasional compatibility or performance issues.

80%
Product Longevity

87% of users were satisfied with the product longevity of the Focusrite Scarlett 2i2 USB-C Audio Interface, reporting that it remained functional and reliable over extended periods of use. This aspect contributed to users' confidence in their investment.

13% of users experienced issues with product longevity, noting that certain components like jacks or switches showed signs of wear sooner than expected. These users suggested that enhancements in component durability could further improve the product's lifespan.

87%

Purchase Value

85% of users were satisfied with the purchase value of the Audient iD4 MKII, highlighting its competitive pricing for the quality it offers. Users appreciated the robust features and performance that rival more expensive options, making it an excellent choice for both beginners and seasoned audio professionals looking for a budget-friendly solution.

15% of users expressed dissatisfaction with the purchase value, noting that while the initial cost is competitive, some felt that the inclusion of additional features or bundled accessories would have enhanced its value proposition.

85%
Build Quality

90% of users praised the build quality of the Audient iD4 MKII, emphasizing its sturdy construction and premium feel. The metal chassis was frequently mentioned as a standout feature that suggests durability and longevity, making it a reliable choice for both home and on-the-go use.

10% of users were not satisfied with the build quality, citing concerns about the durability of certain components like the rotary encoder. Some users felt these parts might not withstand heavy, prolonged use.

90%
Sound Quality

95% of users were very satisfied with the sound quality of the Audient iD4 MKII, often mentioning its superior pre-amps and DACs that deliver clean and clear audio. Professionals and hobbyists alike noted the interface's ability to produce studio-level sound, making it a top choice for those prioritizing audio fidelity.

5% of users expressed dissatisfaction with the sound quality, mostly due to specific preferences or expectations not being met. A few reported minor issues with noise levels when pushing the interface to its limits, though these cases were rare.

95%
Ease of Use

88% of users found the Audient iD4 MKII easy to use, appreciating its straightforward setup and intuitive controls. The interface's simplicity was a highlight, allowing users to focus on their projects without being bogged down by complex configurations.

12% of users were dissatisfied with the ease of use, often due to initial connectivity issues or software setup hurdles. Some users felt the learning curve was steeper than expected, especially those new to audio interfaces.

88%
Portability

80% of users appreciated the portability of the Audient iD4 MKII, noting its compact size and lightweight design as ideal for mobile setups or small studio spaces. The USB-C connectivity was also praised for its convenience and quick setup.

20% of users were not fully satisfied with the portability, mentioning that despite its compact size, the need for additional cables and peripherals sometimes made it less travel-friendly than expected.

80%
Software Compatibility

82% of users were satisfied with the software compatibility of the Audient iD4 MKII, appreciating its seamless integration with major DAWs and operating systems. The inclusion of useful software bundles was also a positive aspect for many users.

18% of users experienced dissatisfaction with software compatibility, often due to minor issues with driver installations or specific software not recognizing the interface immediately, leading to frustration during initial use.

82%
Customer Support

75% of users were content with the customer support provided for the Audient iD4 MKII, noting the responsive and helpful service they received when encountering issues or inquiries. Many appreciated the promptness and knowledgeability of the support team.

25% of users were dissatisfied with customer support, citing delayed responses or a lack of resolution for their specific problems. Some users felt that more comprehensive troubleshooting resources could improve the overall support experience.

75%
Durability

85% of users were satisfied with the durability of the Audient iD4 MKII, often highlighting its robust build and long-lasting performance. Users appreciated the interface's ability to withstand regular use without showing signs of wear.

15% of users expressed concerns about durability, with some experiencing issues with wear and tear on specific components such as knobs or jacks after extended use, leading to worries about long-term reliability.

85%
Design Aesthetics

92% of users were impressed by the design aesthetics of the Audient iD4 MKII, commending its sleek and professional look. The interface's modern design and user-friendly layout made it an attractive addition to any studio setup.

8% of users were less satisfied with the design aesthetics, with some preferring a more traditional look or different color options. A few users mentioned that the design, while modern, might not appeal to those with more classic tastes.

92%
Latency

87% of users were satisfied with the low latency performance of the Audient iD4 MKII, noting minimal delay during recording and playback. This feature was particularly appreciated by musicians and producers requiring real-time monitoring.

13% of users experienced dissatisfaction with latency, although issues were often linked to specific system setups or software configurations rather than the interface itself, leading to mixed experiences.

87%
Compatibility with Instruments

90% of users were pleased with the compatibility of the Audient iD4 MKII with various instruments, highlighting its ability to handle different input types with ease. The high-quality preamps were particularly praised for their performance with guitars and microphones.

10% of users reported dissatisfaction with instrument compatibility, often due to niche requirements or specific setups that did not align perfectly with the interface's capabilities, necessitating additional equipment or adjustments.

90%
Control Features

82% of users appreciated the control features of the Audient iD4 MKII, noting the ease of use and functionality provided by the interface's controls. The large rotary encoder was frequently praised for its precision and tactile feel.

18% of users were dissatisfied with the control features, expressing a desire for more advanced options or customizable settings. Some users felt the interface could benefit from additional dials or switches for more nuanced control.

82%
Preamp Quality

94% of users were highly satisfied with the preamp quality of the Audient iD4 MKII, often highlighting the clean and transparent sound it provided. The preamps were considered a standout feature, offering performance typically found in higher-end models.

6% of users expressed dissatisfaction with the preamp quality, typically due to specific preferences or compatibility issues with certain microphones. Some users felt that while the preamps were good, they didn't fully meet their personal expectations.

94%
Headphone Output Quality

89% of users were satisfied with the headphone output quality of the Audient iD4 MKII, praising its ability to drive a wide range of headphones with clarity and power. Users noted that the output remained clear even at higher volumes.

11% of users were not fully satisfied with the headphone output quality, with some experiencing issues with volume levels or distortion at higher settings. A few users felt that the output could benefit from additional power or clarity for studio-grade headphones.

89%
USB-C Connectivity

88% of users appreciated the USB-C connectivity of the Audient iD4 MKII, noting faster data transfer and a more stable connection compared to older USB standards. This feature was seen as a modern enhancement that aligned with current tech trends.

12% of users experienced dissatisfaction with the USB-C connectivity, often due to compatibility issues with older systems or the need for additional adapters. Some users felt that while USB-C is beneficial, it can pose challenges for those without compatible ports.

88%
Phantom Power

91% of users were satisfied with the phantom power feature of the Audient iD4 MKII, appreciating its reliable performance with condenser microphones. The ease of activation and consistent power delivery were noted as key benefits.

9% of users expressed dissatisfaction with the phantom power, mainly due to specific cases where the power delivery did not meet expectations for certain high-demand microphones, leading to concerns about its adequacy for all recording situations.

91%
Metering

78% of users were satisfied with the metering capabilities of the Audient iD4 MKII, mentioning that the visual feedback provided was adequate for most recording scenarios. Users found the metering useful for monitoring input levels during sessions.

22% of users were dissatisfied with the metering, feeling that more detailed or advanced metering options would enhance the interface's functionality. Some users desired a more intuitive or visually rich metering system for precise adjustments.

78%
Driver Stability

84% of users found the driver stability of the Audient iD4 MKII to be reliable, noting minimal issues with crashes or disconnects. Users appreciated the consistent performance across different software and operating system updates.

16% of users experienced dissatisfaction with driver stability, often encountering occasional drops or compatibility issues with specific DAWs. These instances, while not widespread, affected the overall user experience.

84%
Input/Output Options

80% of users were content with the input/output options of the Audient iD4 MKII, finding them suitable for a range of recording setups. The combination of XLR and instrument inputs was appreciated for its versatility.

20% of users expressed dissatisfaction with the input/output options, often wishing for more flexibility or additional ports to accommodate complex setups. Some users felt that the interface could benefit from more input/output expandability.

80%
Durability of Connectors

86% of users were satisfied with the durability of the connectors on the Audient iD4 MKII, mentioning that they were built to withstand frequent use without degradation. The solid feel of the connectors was a highlight for many.

14% of users expressed concerns about the durability of the connectors, with some experiencing issues with loose connections or wear over time. A few users suggested that more robust materials could enhance longevity.

86%
Overall Satisfaction

89% of users reported overall satisfaction with the Audient iD4 MKII, emphasizing its balance of quality, performance, and value. Users appreciated its ease of use and the high-quality audio it delivered, making it a favorite among many.

11% of users were not entirely satisfied overall, often due to specific feature limitations or personal preferences not being met. Some users felt that while the interface performed well, certain aspects could be improved to better meet their needs.

89%

Pros:
High-quality preamps for clear audio capture. USB-C connectivity for faster data transfer and compatibility. Compact and portable design. Low latency monitoring. Easy setup and user-friendly interface.	High-quality preamps and AD/DA converters. Compact and portable design. USB-C connectivity for faster data transfer and power. Direct monitoring with zero-latency. Robust build quality.

Cons:
Limited to two inputs, which may not be enough for some users. No MIDI input/output. Higher price point compared to some competitors. Requires external power when used with some devices.	Limited to two input channels. No MIDI input/output. Requires external power when used with some iOS devices. Higher price point compared to some competitors.

Key Specs
Channels of I/O
Analog: 2 Inputs / 2 Outputs at 192 kHz	Analog: 2 Inputs / 2 Outputs at 96 kHz
Maximum Sampling Rate
192 kHz / 24-Bit	96 kHz / 24-Bit
Number of Microphone Inputs
2	1 Preamp
Analog Audio I/O
2x XLR 3-Pin Balanced Mic Input 2x 1/4" TRS Balanced/Unbalanced Line/Hi-Z Input (Front Panel) 2x 1/4" TRS Balanced Monitor Output 1x 1/4" TRS Headphone Output (Front Panel)	1x Combo XLR-1/4" TRS Balanced Mic/Line Input 1x 1/4" TRS Unbalanced Hi-Z Input (Front Panel) 2x 1/4" TRS Balanced Monitor Output 1x 1/4" TRS Unbalanced Headphone Output (Front Panel) 1x 1/8" / 3.5 mm TRS Unbalanced Headphone Output (Front Panel)
Host Connection
1x USB-C	1x USB-C
OS Compatibility
macOS Windows	macOS 10.11.6 or Later macOS 11.1 or Later Windows 7 or Later 6 or Later iPadOS
Power Requirements
USB Bus Power, USB Power Adapter (Not Included)	USB Bus Power

The Focusrite Scarlett 2i2 USB-C Audio Interface (4th Generation) and the Audient iD4 MKII USB-C Audio Interface are both popular choices for audio recording and production, but they differ in several key features.
Starting with the Focusrite Scarlett 2i2, it offers 2 analog inputs and 2 outputs at a maximum sampling rate of 192 kHz / 24-Bit. It includes 2 microphone inputs and provides a comprehensive set of analog audio I/O options: 2x XLR 3-Pin balanced mic inputs, 2x 1/4" TRS balanced/unbalanced line/Hi-Z inputs, 2x 1/4" TRS balanced monitor outputs, and 1x 1/4" TRS headphone output. The Scarlett 2i2 is designed for compatibility with both macOS and Windows operating systems and connects via a USB-C host connection. It is powered through USB bus power or an optional USB power adapter, which is not included.
In contrast, the Audient iD4 MKII offers 2 analog inputs and 2 outputs at a maximum sampling rate of 96 kHz / 24-Bit. It features only 1 microphone input but includes an analog audio I/O setup of 1x combo XLR-1/4" TRS balanced mic/line input, 1x 1/4" TRS unbalanced Hi-Z input, 2x 1/4" TRS balanced monitor outputs, 1x 1/4" TRS unbalanced headphone output, and an additional 1/8" / 3.5 mm TRS unbalanced headphone output. The iD4 MKII stands out with its broader OS compatibility, supporting macOS 10.11.6 or later, macOS 11.1 or later, Windows 7 or later, and even iPadOS. It also uses a USB-C host connection and is powered solely through USB bus power.
In summary, the Focusrite Scarlett 2i2 (4th Generation) excels with its higher maximum sampling rate, additional microphone input, and a more extensive analog audio I/O setup. On the other hand, the Audient iD4 MKII offers slightly more flexible OS compatibility and includes an extra headphone output, which could be beneficial for specific use cases. Both interfaces connect via USB-C and are powered through USB, making them convenient and portable for various recording environments.

General
Channels of I/O
Analog: 2 Inputs / 2 Outputs at 192 kHz	Analog: 2 Inputs / 2 Outputs at 96 kHz
Maximum Sampling Rate
192 kHz / 24-Bit	96 kHz / 24-Bit
Number of Microphone Inputs
2	1 Preamp
Input Level Adjustment
2x Knob	2x Knob
Expansion Slots

The Focusrite Scarlett 2i2 USB-C Audio Interface (4th Generation) and the Audient iD4 MKII USB-C Audio Interface are both popular choices for home studio and professional audio recording setups, each offering distinctive features catering to different user needs.
In terms of channels of I/O, both interfaces provide 2 analog inputs and 2 analog outputs. However, the Focusrite Scarlett 2i2 supports a higher maximum sampling rate of 192 kHz at 24-bit, compared to the Audient iD4 MKII, which supports up to 96 kHz at 24-bit. This higher sampling rate in the Scarlett 2i2 may be beneficial for users seeking the highest possible audio resolution.
Regarding microphone inputs, the Focusrite Scarlett 2i2 offers 2 microphone inputs, whereas the Audient iD4 MKII includes just 1 microphone preamp input. This makes the Scarlett 2i2 more versatile for recording scenarios that require multiple microphones simultaneously, such as recording duets or stereo miking techniques.
Both interfaces feature input level adjustment with 2 knobs, enabling precise control over input gain. Neither interface includes built-in DSP or expansion slots, keeping the design straightforward and focused on core audio recording functions.
In summary, the Focusrite Scarlett 2i2 USB-C Audio Interface (4th Generation) stands out with its higher sampling rate and dual microphone inputs, making it suitable for more complex recording setups. Conversely, the Audient iD4 MKII, while offering a lower sampling rate and fewer microphone inputs, may appeal to users who prioritize simplicity and the renowned Audient preamp quality in a more compact form.

Signal Processing
Gain/Trim Range
Mic/Line Inputs: Up to +69 dB Hi-Z Inputs: 62 dB	Mic/Hi-Z Inputs: 58 dB Hi-Z Inputs: 40 dB

The Focusrite Scarlett 2i2 USB-C Audio Interface (4th Generation) features a gain/trim range of up to +69 dB for its mic/line inputs and 62 dB for its Hi-Z inputs. This wide gain range offers significant headroom, making it highly versatile for various microphones and instruments, ensuring clear and distortion-free recordings even with quieter sources.
On the other hand, the Audient iD4 MKII USB-C Audio Interface has a gain/trim range of 58 dB for its mic/Hi-Z inputs and 40 dB for its Hi-Z inputs. While this range is slightly more limited compared to the Scarlett 2i2, it still provides sufficient headroom for typical recording scenarios. However, it lacks a pad feature, which could be a limitation when dealing with particularly high-output sources.
Additionally, the iD4 MKII does not include a high-pass filter, which can be a useful feature for reducing low-frequency rumble and noise during recording. In contrast, the Scarlett 2i2 does not have this feature listed either, maintaining parity in this aspect. The iD4 MKII also offers a mute per master functionality, providing additional control over the monitoring environment, a feature not mentioned in the Scarlett 2i2's specs.
In summary, while both interfaces are robust and capable, the Focusrite Scarlett 2i2 offers a broader gain range which could be beneficial for a wider variety of recording applications. The Audient iD4 MKII provides specific control features like mute per master, which may appeal to users needing more immediate control over their monitoring setup.

Connectivity
Analog Audio I/O
2x XLR 3-Pin Balanced Mic Input 2x 1/4" TRS Balanced/Unbalanced Line/Hi-Z Input (Front Panel) 2x 1/4" TRS Balanced Monitor Output 1x 1/4" TRS Headphone Output (Front Panel)	1x Combo XLR-1/4" TRS Balanced Mic/Line Input 1x 1/4" TRS Unbalanced Hi-Z Input (Front Panel) 2x 1/4" TRS Balanced Monitor Output 1x 1/4" TRS Unbalanced Headphone Output (Front Panel) 1x 1/8" / 3.5 mm TRS Unbalanced Headphone Output (Front Panel)
Phantom Power
48 V, Selectable On/Off	48 V ± 4 V, Selectable On/Off
Digital Audio I/O

Host Connection
1x USB-C	1x USB-C
Host Connection Protocol
USB 2.0	USB 3.0 / 3.1/3.2 Gen 1
USB (Non-Host)
1x USB-C (Power Input)
Sync I/O

Network I/O

MIDI I/O

The Focusrite Scarlett 2i2 USB-C Audio Interface (4th Generation) and the Audient iD4 MKII USB-C Audio Interface offer different features that cater to varying needs in audio production.
The Focusrite Scarlett 2i2 (4th Generation) provides a versatile analog audio I/O configuration with 2x XLR 3-Pin balanced mic inputs and 2x 1/4" TRS balanced/unbalanced line/Hi-Z inputs on the front panel. This makes it suitable for both microphone and instrument recordings. It also features 2x 1/4" TRS balanced monitor outputs and a 1/4" TRS headphone output, all conveniently located on the front panel. For phantom power, the Scarlett 2i2 offers 48V, which is selectable on or off. The device connects to the host via a USB-C connection using USB 2.0 protocol and includes an additional USB-C port for power input. However, it lacks digital audio I/O, sync I/O, network I/O, MIDI I/O, and wireless capabilities.
In contrast, the Audient iD4 MKII USB-C Audio Interface has a more streamlined analog audio I/O setup. It includes 1x combo XLR-1/4" TRS balanced mic/line input and 1x 1/4" TRS unbalanced Hi-Z input on the front panel. For output, it provides 2x 1/4" TRS balanced monitor outputs, a 1/4" TRS unbalanced headphone output, and an additional 1/8" / 3.5 mm TRS unbalanced headphone output, offering greater flexibility for different headphone types. The iD4 MKII also features 48V phantom power with a current specification of ±4 V and 10 mA per channel. It connects to the host via a USB-C connection using USB 3.0 / 3.1/3.2 Gen 1 protocol, but does not include additional USB ports for power input. Similar to the Scarlett 2i2, it lacks digital audio I/O, sync I/O, network I/O, MIDI I/O, and wireless capabilities.
In summary, the Focusrite Scarlett 2i2 (4th Generation) is more comprehensive in terms of input options, making it ideal for users who require multiple mic and instrument connections. The Audient iD4 MKII, on the other hand, offers a simpler yet flexible setup with additional headphone output options and a higher USB protocol, catering to users who prioritize headphone monitoring and higher data transfer speeds. Both interfaces provide essential features like phantom power and balanced monitor outputs but differ in their connectivity and configuration options.

Performance
Frequency Response
XLR Mic Inputs: 20 Hz to 20 kHz ±0.06 dB 1/4" Line Inputs: 20 Hz to 20 kHz 0.05 dB 1/4" Hi-Z Inputs: 20 Hz to 20 kHz 0.15 dB	A/D Converters: 10 Hz to 40 kHz ±0.5 dB D/A Converters: 10 Hz to 40 kHz ±0.1 dB Headphone Outputs: 10 Hz to 40 kHz ±0.1 dB Mic, Line Inputs: 10 Hz to 40 kHz ±0.5 dB (Min Gain) Hi-Z Inputs: 10 Hz to 20 kHz ±0.5 dB (Min Gain)
Maximum Input Level
XLR Mic: 16 dBu 1/4" Line: 22 dBu 1/4" Hi-Z: 12 dBu	Mic Inputs: +12 dBu Line Inputs: +21 dBu Hi-Z Inputs: +12 dBu
Maximum Output Level
1/4" Line: +16 dBu	Headphone Outputs: +5.46 Vrms (600-Ohm Load)
Headphone Output Power
1/4": 32 mW into 33 Ohms 22 mW into 300 Ohms	223 mW into 30 Ohms (Max) 280 mW into 62 Ohms (Max) 100 mW into 600 Ohms (Max)
Impedance
XLR Mic Inputs: 3 Kilohms 1/4" Line Inputs: 60 Kilohms 1/4" Hi-Z Inputs: 1 Megohms 1/4" Line Outputs: 100 Ohms 1/4" Headphone Outputs: < 50 Ohm	Mic Inputs: 2.8 Kilohms (Balanced) Line Inputs: > 8 Kilohms (Balanced)
Dynamic Range
XLR Mic Inputs: 116 dBA 1/4" Line Inputs: 115.2 dBA 1/4" Hi-Z Inputs: 113 dBA 1/4" Line Outputs: 120 dB 1/4" Headphone: 112 dB (at 33 Ohms) 115 dB (at 300 Ohms) Digital A/D Converters: 120 dB Digital D/A Converters: 130 dBA	A/D Converters: 120 dB (A-Weighted) D/A Converters: 125.5 dB (A-Weighted) Headphone Outputs: 125.5 dB (A-Weighted)
THD+N
XLR Mic Inputs: -100 dB (at 8 dB Gain) 1/4" Line Inputs: -100 dB (at 8 dB Gain) 1/4" Hi-Z Inputs: -80 dB (at Minimum Gain) 1/4" Line Outputs: -109 dB 1/4" Headphone Outputs: -99 dB (at 33 Ohms) -108 dB (at 300 Ohms) Digital A/D Converters: -110 dB Digital D/A Converters: -115 dB	Mic/Line Inputs: 0.0017% (at 0 dBu) Hi-Z Inputs: 0.1% (at 0 dBu) A/D Converters: < 0.001% (at -1 dBFS) D/A Converters: < 0.0006% (at -1 dBFS) Headphone Outputs: < 0.0009% (at -1 dBFS)
EIN
XLR Mic Inputs: -127 dBu A-Weighted	Mic/Line Inputs: -129 dB A-Weighted

The Focusrite Scarlett 2i2 USB-C Audio Interface (4th Generation) and the Audient iD4 MKII USB-C Audio Interface are both high-quality audio interfaces with distinct features and specifications that appeal to different user needs.
Frequency Response:
The Focusrite Scarlett 2i2 offers a frequency response of 20 Hz to 20 kHz for its XLR mic, 1/4" line, and Hi-Z inputs with minimal deviation, ensuring consistent audio quality across the audible spectrum. In contrast, the Audient iD4 MKII provides a broader frequency range, from 10 Hz to 40 kHz for its A/D and D/A converters and headphone outputs, and 10 Hz to 20 kHz for its Hi-Z inputs. This extended range may appeal to users seeking high-fidelity audio reproduction beyond the standard human hearing range.
Maximum Input Level: The maximum input levels for the Scarlett 2i2 are 16 dBu for XLR mic, 22 dBu for 1/4" line, and 12 dBu for Hi-Z inputs. The Audient iD4 MKII supports slightly lower maximum input levels of +12 dBu for mic and Hi-Z inputs and +21 dBu for line inputs, which indicates a marginally lower tolerance for high-input signals compared to the Scarlett 2i2.
Maximum Output Level: The Scarlett 2i2 has a maximum line output level of +16 dBu. The Audient iD4 MKII's headphone outputs can achieve up to +5.46 Vrms into a 600-Ohm load, suggesting it can drive high-impedance headphones effectively with significant power output.
Headphone Output Power: The Scarlett 2i2 provides 32 mW into 33 Ohms and 22 mW into 300 Ohms. Meanwhile, the iD4 MKII delivers considerably higher power: 223 mW into 30 Ohms, 280 mW into 62 Ohms, and 100 mW into 600 Ohms, making it a better choice for users with power-hungry headphones.
Impedance: The Scarlett 2i2 features an impedance of 3 Kilohms for XLR mic inputs, 60 Kilohms for 1/4" line inputs, and 1 Megohm for Hi-Z inputs, with 100 Ohms for line outputs and less than 50 Ohms for headphone outputs. The iD4 MKII has an impedance of 2.8 Kilohms for mic inputs and greater than 8 Kilohms for line inputs, indicating a similar but slightly lower range of input impedance.
Dynamic Range: The Scarlett 2i2 shows a dynamic range of 116 dBA for XLR mic inputs, 115.2 dBA for 1/4" line inputs, 113 dBA for Hi-Z inputs, and 120 dB for line outputs. Its headphone output offers 112 dB at 33 Ohms and 115 dB at 300 Ohms, with digital A/D and D/A converters at 120 dB and 130 dBA, respectively. The iD4 MKII boasts a dynamic range of 120 dB for A/D converters and 125.5 dB for D/A converters, with headphone outputs also rated at 125.5 dB, indicating superior dynamic range performance.
THD+N: The Scarlett 2i2 has THD+N ratings of -100 dB for XLR mic and 1/4" line inputs, -80 dB for Hi-Z inputs, -109 dB for line outputs, and varying headphone outputs of -99 dB at 33 Ohms and -108 dB at 300 Ohms. The iD4 MKII exhibits THD+N of 0.0017% for mic/line inputs, 0.1% for Hi-Z inputs, less than 0.001% for A/D converters, less than 0.0006% for D/A converters, and less than 0.0009% for headphone outputs, showcasing lower distortion levels.
EIN: The Scarlett 2i2's XLR mic inputs have an EIN of -127 dBu A-Weighted. The iD4 MKII offers slightly better performance with mic/line inputs at -129 dB A-Weighted.
In summary, while both interfaces are highly capable, the Audient iD4 MKII stands out with its broader frequency response, higher dynamic range, and superior headphone output power. The Focusrite Scarlett 2i2, however, offers slightly better maximum input levels and a robust performance across its specifications, making it a versatile choice for various recording needs.

Digital Audio
Sample Rates
44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz	44.1 / 48 / 88.2 / 96 kHz
Bit Depths
24-Bit	24-Bit
Sync Sources
Internal	Internal

The Focusrite Scarlett 2i2 USB-C Audio Interface (4th Generation) and the Audient iD4 MKII USB-C Audio Interface both serve as high-quality tools for audio recording and production, but they differ in several key specifications.
The Focusrite Scarlett 2i2 offers a wider range of sample rates, supporting 44.1, 48, 88.2, 96, 176.4, and 192 kHz. This makes it more versatile for different recording needs and professional audio projects that may require higher sample rates. Both interfaces support a bit depth of 24-bit, ensuring high-resolution audio recording. The Scarlett 2i2 relies on internal sync sources for clocking.
On the other hand, the Audient iD4 MKII supports sample rates up to 96 kHz, which is sufficient for most standard recording tasks, though it does not reach the maximum 192 kHz offered by the Scarlett 2i2. The iD4 MKII also maintains a 24-bit depth, ensuring high-quality audio. It features a dBFS reference level of +12 dBu = 0 dBFS, which is a useful specification for understanding its headroom and dynamic range. The interface showcases impressive latency performance, with 0.65 ms at 44.1 kHz and 0.31 ms at 96 kHz, although this is dependent on buffer size and input-to-output routing. Similar to the Scarlett, it uses internal sync sources for clocking.
In summary, the Focusrite Scarlett 2i2 (4th Generation) offers broader sample rate options, making it a more flexible choice for various recording environments. The Audient iD4 MKII, while limited to a maximum of 96 kHz sample rate, provides detailed latency information and a specific dBFS reference level, which can be crucial for users focused on precise audio level management and low latency performance.

Audio Storage & Playback

Compatibility
OS Compatibility
macOS Windows	macOS 10.11.6 or Later macOS 11.1 or Later Windows 7 or Later 6 or Later iPadOS

The Focusrite Scarlett 2i2 USB-C Audio Interface (4th Generation) is compatible with macOS and Windows operating systems and supports a mobile app for iPadOS. This makes it versatile for users who operate across different platforms, including desktops and iPads, but it does not extend to iPhone compatibility.
On the other hand, the Audient iD4 MKII USB-C Audio Interface is compatible with macOS 10.11.6 or later, macOS 11.1 or later, Windows 7 or later, and iPadOS. It also supports both iPad and iPhone compatibility, providing greater flexibility for mobile device users. Additionally, the Audient iD4 MKII requires a minimum of a 1.6 GHz Intel Core 2 processor and 1 GB of RAM, and it mandates an available USB-C port and an internet connection for registration and software/driver downloads.
In summary, while both interfaces support macOS and iPadOS, the Audient iD4 MKII offers broader compatibility, including iPhone support and specific hardware and software requirements, making it potentially more versatile for a range of users and devices. The Focusrite Scarlett 2i2, while slightly more limited in mobile device compatibility, still provides robust support for macOS, Windows, and iPadOS users.

Power
Power Requirements
USB Bus Power, USB Power Adapter (Not Included)	USB Bus Power

The Focusrite Scarlett 2i2 USB-C Audio Interface (4th Generation) and the Audient iD4 MKII USB-C Audio Interface differ significantly in their power requirements. The Focusrite Scarlett 2i2 can be powered either via USB Bus Power or an optional USB Power Adapter. It also supports an AC/DC Power Adapter with a specification of 5 VDC at 900 mA. This interface has a total power consumption of 4.5 W. The multiple power options provide users with flexibility, making it suitable for various recording environments and setups.
On the other hand, the Audient iD4 MKII strictly relies on USB Bus Power for its operation. This means it draws power directly from the connected USB port of the computer or device, simplifying its setup and reducing the need for additional power accessories. This design choice emphasizes ease of use and portability, allowing users to quickly connect and start recording without worrying about additional power sources.
In summary, the Focusrite Scarlett 2i2 offers more versatility in power options with its support for USB Bus Power, USB Power Adapter, and AC/DC Power Adapter, while the Audient iD4 MKII focuses on simplicity and portability by utilizing only USB Bus Power.

Physical
Dimensions
7.1 x 4.6 x 1.87" / 18 x 11.7 x 4.75 cm	5.2 x 4.7 x 2.4" / 13.3 x 12 x 6 cm (Including Controls and Protrusions)
Weight
1.3 lb / 595.0 g	2.2 lb / 1.0 kg

The Focusrite Scarlett 2i2 USB-C Audio Interface (4th Generation) and the Audient iD4 MKII USB-C Audio Interface are two well-regarded devices in the audio interface market, each with distinct specifications.
In terms of dimensions, the Focusrite Scarlett 2i2 measures 7.1 x 4.6 x 1.87 inches (18 x 11.7 x 4.75 cm), making it relatively compact. Comparatively, the Audient iD4 MKII comes in at 5.2 x 4.7 x 2.4 inches (13.3 x 12 x 6 cm), including controls and protrusions. While both devices are portable, the Scarlett 2i2 is slightly longer and narrower, whereas the iD4 MKII is slightly shorter but thicker.
Regarding weight, the Focusrite Scarlett 2i2 weighs 1.3 lb (595.0 g), making it lighter and more convenient for mobile setups. On the other hand, the Audient iD4 MKII weighs 2.2 lb (1.0 kg), which is almost double the weight of the Scarlett 2i2. This additional weight may contribute to a more robust build but could be a consideration for users needing a more portable solution.
One unique feature of the Audient iD4 MKII is its anti-theft feature, specifically the Kensington Security Slot. This feature allows users to secure the device in environments where theft might be a concern, such as public studios or educational settings. The Scarlett 2i2 does not offer this particular security feature.
Both devices interface with USB-C, ensuring modern connectivity and fast data transfer. However, the difference in dimensions, weight, and the presence of an anti-theft feature on the Audient iD4 MKII provides potential users with distinct choices depending on their specific needs and use cases.

Packaging Info
Package Weight
1.9 lb	1.92 lb
Box Dimensions (LxWxH)
8.2 x 7 x 2.6"	7.5 x 6 x 3.5"

The Focusrite Scarlett 2i2 USB-C Audio Interface (4th Generation) and the Audient iD4 MKII USB-C Audio Interface are both renowned in the audio industry for their quality and performance. When comparing their specifications, we observe subtle differences that may influence your choice depending on your specific needs.
The Focusrite Scarlett 2i2 has a package weight of 1.9 lb and its box dimensions are 8.2 x 7 x 2.6". These dimensions indicate a compact and lightweight design, making it a portable choice for musicians and producers who need to move their setup frequently. The Scarlett 2i2 is known for its high-quality preamps and ease of use, making it a staple for both beginners and seasoned professionals.
On the other hand, the Audient iD4 MKII has a slightly heavier package weight of 1.92 lb and box dimensions of 7.5 x 6 x 3.5". While the weight difference is negligible, the dimensions suggest a slightly bulkier design in terms of height, which could offer a more robust build and potentially more durable housing. The Audient iD4 MKII is praised for its exceptional audio quality and solid build, often favored by those who prioritize sound fidelity and hardware durability.
Both interfaces utilize USB-C connectivity, ensuring fast data transfer and compatibility with modern devices. However, users might prefer one over the other based on the slight differences in dimensions and design considerations that could affect portability and setup preferences.