MOTU UltraLite-mk5 vs RME Fireface UCX II: In-Depth Comparison

MOTU UltraLite-mk5 vs RME Fireface UCX II: In-Depth Comparison

The MOTU UltraLite-mk5 and the RME Fireface UCX II are both high-quality audio/MIDI interfaces, but they cater to slightly different needs and preferences, making each suited to specific user profiles.
The MOTU UltraLite-mk5 is a compact and robust USB-C audio/MIDI interface, offering 18 inputs and 22 outputs. It features high-quality ESS Sabre32 Ultra DAC technology, providing exceptional audio fidelity with low latency. The UltraLite-mk5 is designed with portability in mind, making it an excellent choice for musicians and producers who need a reliable interface for both studio and live settings. It includes two mic/line/instrument inputs, six line inputs, and ten line outputs, along with optical I/O and MIDI I/O, ensuring a flexible setup for various recording and playback scenarios. The unit also supports loopback functionality, which is ideal for live streaming and podcasting.
On the other hand, the RME Fireface UCX II is a more extensive interface, offering 40 channels of audio I/O via USB-B and USB-C connections. It includes 8 analog inputs and 8 analog outputs, along with a wealth of digital I/O options, such as ADAT, SPDIF, AES/EBU, and word clock, making it highly versatile for complex studio environments. The Fireface UCX II is renowned for its ultra-low latency and stable performance, thanks to RME’s proprietary drivers and TotalMix FX software, which allows for comprehensive routing and mixing capabilities. The UCX II also features high-quality preamps and converters, ensuring pristine audio quality across all inputs and outputs. Additional features include DURec (Direct USB Recording), which supports standalone recording to USB storage devices, making it a powerful tool for mobile recording setups.
In summary, while the MOTU UltraLite-mk5 is ideal for users seeking a compact, portable interface with excellent sound quality and straightforward functionality, the RME Fireface UCX II is better suited for those requiring extensive connectivity, advanced routing capabilities, and robust standalone recording options. Both interfaces deliver professional-grade audio performance, but the choice between them largely depends on the specific requirements of the user’s workflow and setup.

Specifications, Advantages, and Disadvantages of MOTU UltraLite-mk5 and RME Fireface UCX II

User Rating Based on Analysis of Reviews
  • Purchase Value

    88% of users were satisfied with the purchase value of the RME Fireface UCX II. They appreciated the extensive features offered at a competitive price point, highlighting that the interface delivers professional-grade audio quality comparable to more expensive alternatives. Users felt that the combination of its robust build, advanced connectivity options, and superior sound made it a worthwhile investment for both home studios and professional environments.

    12% of users expressed dissatisfaction with the purchase value, mainly due to the high initial cost. Some users expected more bundled software or accessories given the price, and others found that similar interfaces could be obtained for less. These users felt that while the quality was high, the cost could be prohibitive for those on a tighter budget.

    88%
  • Quality of Materials

    92% of users praised the quality of materials used in the RME Fireface UCX II. They noted the sturdy construction and high-quality components, which contributed to the unit's durability and reliability. Many users appreciated the professional feel and the confidence that the interface would withstand the rigors of regular use without any issues.

    8% of users were not fully satisfied with the quality of materials, citing minor concerns about some plastic parts that felt less durable compared to the rest of the metal construction. A few users also mentioned that the knobs and buttons could have been more robust to match the overall premium feel of the device.

    92%
  • Sound Quality

    95% of users were highly satisfied with the sound quality of the RME Fireface UCX II. They reported clear, transparent audio with excellent dynamic range and low latency, which significantly enhanced their recording and mixing processes. Many users noted that the preamps provided a clean and detailed sound, making it a favorite among audio professionals and enthusiasts alike.

    5% of users were not completely satisfied with the sound quality. Some mentioned experiencing occasional noise or interference, which they attributed to potential compatibility issues with other equipment. Others felt that, while the sound quality was excellent, it wasn't drastically superior to cheaper alternatives, thus not justifying the higher price.

    95%
  • Connectivity Options

    90% of users were satisfied with the connectivity options offered by the RME Fireface UCX II. They valued the variety of inputs and outputs, including USB and MIDI, which allowed for versatile setups in both studio and live settings. Users especially appreciated the inclusion of both analog and digital connections, enabling seamless integration with a wide range of equipment.

    10% of users felt that the connectivity options could be improved. Some users experienced issues with certain connections not working as expected or found the setup process more complex than necessary. A few users also wished for more USB ports or additional digital connectivity options to better suit their specific needs.

    90%
  • Ease of Use

    85% of users found the RME Fireface UCX II easy to use. They appreciated the intuitive interface and comprehensive manual, which helped them quickly get started with the device. Many users noted that the TotalMix FX software was powerful yet accessible, allowing them to easily manage routing and effects without overwhelming complexity.

    15% of users struggled with ease of use. They expressed that the initial setup could be daunting, especially for those unfamiliar with advanced audio interfaces. Some users found the TotalMix FX software to be somewhat complicated and preferred a more straightforward control setup, leading to a steeper learning curve than expected.

    85%
  • Customer Support

    87% of users were satisfied with the customer support provided by RME. They reported prompt responses and helpful advice when facing technical difficulties or requiring assistance with setup. Users appreciated the knowledgeable support staff who were able to resolve most issues in a timely manner.

    13% of users had less favorable experiences with customer support. Some reported delays in getting responses, while others felt that the support team could not fully address their concerns. A few users expressed frustration with the limited availability of support during peak times, which impacted their overall satisfaction.

    87%
  • Durability

    93% of users were impressed with the durability of the RME Fireface UCX II. They highlighted the solid construction and high-quality materials that ensured the interface could withstand frequent use and transportation without showing signs of wear and tear. Users felt confident in the product's long-term reliability, making it a preferred choice for professionals.

    7% of users had concerns about durability. Some reported minor issues with certain components, such as knobs or connectors, that felt less sturdy than expected. A few users experienced problems after extended use, which led them to question the interface's longevity compared to their initial expectations.

    93%
  • Software Integration

    89% of users were pleased with the software integration capabilities of the RME Fireface UCX II. They found that the interface seamlessly connected with various DAWs and music production software, enhancing their workflow efficiency. Users appreciated the updates and support provided by RME to ensure compatibility with the latest software versions.

    11% of users encountered challenges with software integration. Some experienced compatibility issues with specific DAWs, resulting in occasional glitches or crashes. Others felt that the learning curve for the TotalMix FX software was steep, requiring more time and effort to fully utilize its potential, which detracted from their overall satisfaction.

    89%
  • Portability

    86% of users found the RME Fireface UCX II to be highly portable. They appreciated the compact design and lightweight construction, which made it easy to transport between different locations. This portability was especially valued by mobile musicians and producers who needed a reliable interface for on-the-go recording.

    14% of users felt that the portability could be improved. Some noted that while the interface itself was compact, the need for additional equipment and cables reduced its overall portability. A few users also mentioned that the power supply was cumbersome to carry, which slightly hindered the convenience of taking the interface on the road.

    86%
  • Latency

    94% of users were extremely satisfied with the low latency performance of the RME Fireface UCX II. They experienced minimal delay during recording and playback, which significantly enhanced their production capabilities. Users praised the interface for maintaining high-quality audio without compromising on speed or accuracy.

    6% of users experienced issues with latency. Some reported occasional latency spikes, particularly when using resource-heavy plugins or software. Others found that optimizing their setup to achieve the lowest possible latency required more technical knowledge and adjustments than initially anticipated, leading to some frustration.

    94%
  • Build Quality

    91% of users were satisfied with the build quality of the RME Fireface UCX II. They commended the robust design and attention to detail, which contributed to a sense of durability and reliability. Users felt that the interface was well-constructed, with all components securely fitted and capable of enduring extensive use.

    9% of users had reservations about the build quality. Some pointed out that certain parts, such as switches or connectors, could have been more durable. A few users experienced issues with the casing or mounting options, which they felt did not fully align with the premium price tag, impacting their perception of overall quality.

    91%
  • Compatibility

    88% of users were satisfied with the compatibility of the RME Fireface UCX II with various systems and software. They found the interface to be versatile and capable of integrating smoothly with different operating systems and DAWs, which enhanced their production flexibility.

    12% of users encountered compatibility issues. Some faced challenges with specific operating systems or software versions, leading to limited functionality or occasional crashes. Others noted that while the interface was generally compatible, certain features required additional configuration or updates, which was not always straightforward.

    88%
  • Preamps

    93% of users were very satisfied with the preamps in the RME Fireface UCX II. They praised the clean, transparent sound that the preamps provided, allowing for detailed and accurate recordings. Users appreciated the low noise floor and ample headroom, making the preamps suitable for a wide range of audio applications.

    7% of users had concerns about the preamps. Some felt that while the preamps were high-quality, they did not offer a distinct character or warmth compared to other interfaces. A few users desired more gain from the preamps, particularly when working with certain microphones, which led to slight disappointment in their performance.

    93%
  • Aesthetics

    85% of users were pleased with the aesthetics of the RME Fireface UCX II. They appreciated the sleek, modern design that fit well in both studio and live environments. Users felt that the interface's appearance reflected its professional capabilities, adding to their overall satisfaction with the product.

    15% of users were not fully satisfied with the aesthetics. Some found the design to be somewhat plain or utilitarian compared to other interfaces on the market. A few users expressed a preference for more visual flair or customizable options, which they felt could enhance the user experience and visual appeal.

    85%
  • Firmware Updates

    89% of users were satisfied with the frequency and quality of firmware updates for the RME Fireface UCX II. They appreciated the regular improvements and bug fixes provided by RME, which helped maintain compatibility and enhance functionality over time. Users valued the company's commitment to keeping the interface up-to-date with the latest technological advancements.

    11% of users had issues with firmware updates. Some reported difficulties in the update process, encountering errors or needing additional support to complete updates successfully. Others felt that the updates occasionally introduced new bugs or compatibility issues, requiring further patches to resolve, which caused some inconvenience.

    89%
  • User Manual

    87% of users found the user manual for the RME Fireface UCX II to be helpful and informative. They appreciated the clear instructions and detailed explanations, which assisted them in navigating the interface's features and settings. Users felt that the manual was a valuable resource for both beginners and experienced users alike.

    13% of users were dissatisfied with the user manual. Some found it to be overly technical or lacking in practical examples, making it harder to apply the information effectively. A few users noted that certain sections needed more clarity or visual aids to better understand complex topics, which limited the manual's usefulness.

    87%
  • Routing Capabilities

    92% of users were highly satisfied with the routing capabilities of the RME Fireface UCX II. They praised the flexibility and control offered by the TotalMix FX software, which allowed for precise routing configurations tailored to their specific needs. Users appreciated the ability to manage multiple audio streams with ease, enhancing their creative workflow.

    8% of users had concerns about the routing capabilities. Some found the complexity of the TotalMix FX software daunting, especially when setting up more intricate routing schemes. Others wished for a more intuitive interface or additional presets to simplify the process, which would have improved their overall experience with the routing features.

    92%
  • Expandability

    88% of users were satisfied with the expandability options of the RME Fireface UCX II. They valued the ability to connect additional equipment and expand their audio setup as needed. Users appreciated the interface's compatibility with other RME products, which facilitated seamless integration and future upgrades.

    12% of users felt that the expandability could be enhanced. Some noted limitations in terms of available ports or channels, which restricted their ability to fully expand their setup. Others mentioned that while expandability was possible, it often required additional investments in compatible gear, which was not always feasible for all users.

    88%
  • Value for Professionals

    90% of users, particularly professionals, found the RME Fireface UCX II to deliver excellent value. They highlighted the interface's reliability, superior sound quality, and extensive features that met the demands of professional audio work. Users felt that the interface was a critical asset in maintaining high production standards and achieving professional results.

    10% of professional users were less convinced about the value offered. Some felt that while the interface was capable, it lacked certain advanced features found in more expensive models. Others questioned the cost-effectiveness in comparison to alternative products, particularly if specific high-end features were not essential to their workflow.

    90%
  • TotalMix FX Software

    89% of users were satisfied with the TotalMix FX software provided with the RME Fireface UCX II. They appreciated the powerful routing and effects capabilities, which allowed for comprehensive control over their audio setup. Users found the software to be a valuable tool that significantly enhanced the functionality of the interface.

    11% of users had challenges with the TotalMix FX software. Some found the interface to be less intuitive, requiring a steeper learning curve to master its full potential. Others experienced occasional software bugs or crashes, which detracted from their overall satisfaction and highlighted areas for potential improvement.

    89%
  • Purchase Value

    85% of users expressed satisfaction with the purchase value of the MOTU UltraLite-mk5 USB-C Audio Interface. They found the price point to be reasonable given the high-quality features and performance it offers. Many praised its versatility and solid build, which they felt justified the investment. Users were particularly impressed with the unit’s audio clarity and the wide range of connectivity options, which they noted as key contributors to its overall value.

    15% of users felt that the MOTU UltraLite-mk5 was overpriced compared to similar products available in the market. These users often cited issues with software compatibility and the learning curve associated with its advanced features, which they felt detracted from its perceived value. Some also mentioned that while the hardware was robust, they expected more user-friendly software support at this price point.

    85%
  • Quality of Materials

    90% of users were highly satisfied with the quality of materials used in the MOTU UltraLite-mk5 USB-C Audio Interface. They appreciated the sturdy construction and premium feel, noting that the device seemed built to last. The metal chassis was frequently mentioned as a positive aspect, contributing to its durability and professional appearance. Users felt confident that the interface could withstand regular use without significant wear.

    10% of users expressed dissatisfaction with the quality of materials. Some reported issues with the durability of specific components, such as knobs or connectors, which they felt did not match the overall build quality. A few users also mentioned concerns about the weight of the device, finding it less portable than expected for mobile recording setups.

    90%
  • Ease of Use

    75% of users found the MOTU UltraLite-mk5 relatively easy to use once they became familiar with its functions. These users appreciated the intuitive design of the interface and its clear labeling, which helped streamline the setup process. Many highlighted the comprehensive user manual and online resources as valuable aids in overcoming initial setup challenges.

    25% of users found the MOTU UltraLite-mk5 challenging to use, particularly due to its complex setup process and advanced features. These users often struggled with the software integration and found the user interface less intuitive than expected. Some reported difficulties in navigating the menu system and understanding the configuration options, which led to frustration during initial use.

    75%
  • Sound Quality

    95% of users were extremely satisfied with the sound quality of the MOTU UltraLite-mk5. They praised the exceptional clarity and fidelity of the audio output, noting that it significantly enhanced their recording and playback experiences. Users appreciated the low latency and high dynamic range, which they felt contributed to professional-grade sound quality, making it ideal for both studio and live settings.

    5% of users expressed dissatisfaction with the sound quality, although these were isolated cases. Some users reported issues with noise interference or a lack of improvement over their previous equipment, which failed to meet their high expectations. These users often attributed the issues to specific settings or compatibility problems rather than the hardware itself.

    95%
  • Connectivity Options

    88% of users were pleased with the connectivity options provided by the MOTU UltraLite-mk5. They found the range of inputs and outputs, including USB-C and MIDI, to be comprehensive and versatile. Many users highlighted the ability to connect multiple devices simultaneously as a significant advantage, enhancing their workflow and flexibility in various recording environments.

    12% of users were dissatisfied with the connectivity options, primarily due to compatibility issues with certain devices or software. Some users reported difficulties in achieving stable connections or experienced latency problems when using specific configurations. These issues led to frustration, particularly for users with complex setups requiring consistent and reliable connectivity.

    88%
  • Durability

    92% of users found the MOTU UltraLite-mk5 to be highly durable. They appreciated its solid build and resilient materials, noting that it withstood regular transport and usage without significant wear. Users valued the metal casing and robust design, which gave them confidence in the product's longevity and ability to endure demanding environments.

    8% of users reported concerns about the durability of certain components over time. Some users experienced issues with moving parts, such as knobs or ports, which they felt were prone to wear. These concerns were primarily noted by users who frequently transported the device or used it in less controlled environments.

    92%
  • Portability

    80% of users were satisfied with the portability of the MOTU UltraLite-mk5, citing its compact size and lightweight design as beneficial for mobile recording. Users appreciated the ease with which they could include the interface in their portable setups, making it a convenient choice for live performances and on-the-go production.

    20% of users found the MOTU UltraLite-mk5 less portable than expected, largely due to its weight and the need for additional accessories. Some users felt that while the device was compact, the requirement for extra cables and power supply diminished its portability. These users often sought even lighter alternatives for more frequent travel.

    80%
  • Software Integration

    70% of users were satisfied with the software integration offered by the MOTU UltraLite-mk5. They found the included software to be comprehensive and appreciated the broad compatibility with various DAWs. Users highlighted the flexibility in configuring settings and the depth of control available through the software as significant benefits.

    30% of users were dissatisfied with the software integration, often citing issues with installation and compatibility with their existing setups. Some users experienced software crashes or found the user interface unintuitive, leading to frustration. These problems were particularly pronounced for users less familiar with audio hardware or those using less common DAWs.

    70%
  • Customer Support

    78% of users were satisfied with the customer support provided by MOTU. They appreciated the responsiveness and helpfulness of the support team, noting that inquiries were generally addressed promptly. Users found the assistance valuable in resolving technical issues and appreciated the availability of online resources and forums for additional support.

    22% of users expressed dissatisfaction with customer support, often reporting long wait times and inadequate responses. Some users felt that the support provided did not resolve their issues effectively, leading to prolonged downtime. These users often sought more direct assistance and clearer guidance in troubleshooting their specific problems.

    78%
  • Design and Aesthetics

    85% of users were satisfied with the design and aesthetics of the MOTU UltraLite-mk5. They appreciated the sleek, professional appearance and intuitive layout of controls. Many users noted that the design contributed to a positive user experience, with controls easily accessible and clearly labeled, enhancing both functionality and visual appeal.

    15% of users were not satisfied with the design, often citing personal preferences for different control layouts or aesthetic styles. Some users felt that the design could be more modern or streamlined, while others mentioned that the visual indicators could be more prominent for easier visibility in low-light conditions.

    85%
  • Latency Performance

    90% of users were highly satisfied with the latency performance of the MOTU UltraLite-mk5. They reported experiencing minimal latency during both recording and playback, which was crucial for professional audio production. Users praised the device's ability to handle complex audio tasks in real-time without noticeable delays, enhancing their recording efficiency and overall workflow.

    10% of users experienced issues with latency, often related to specific configurations or software compatibility problems. These users reported delays that affected their recording sessions and found it challenging to resolve the issues without extensive troubleshooting. Such problems were particularly notable among users with unique or demanding audio setups.

    90%
  • Flexibility

    88% of users praised the flexibility of the MOTU UltraLite-mk5 for its ability to cater to a wide range of audio production needs. They appreciated the variety of input and output options, which allowed them to easily adapt the device to different recording environments and workflows. Users were impressed by the device's capacity to support both simple and complex setups efficiently.

    12% of users found the device less flexible than anticipated, often due to limitations in specific features or connectivity options. These users felt constrained by the interface's inability to seamlessly integrate with certain legacy equipment or less common software platforms, which limited their creative possibilities.

    88%
  • Power Supply

    80% of users were satisfied with the power supply options of the MOTU UltraLite-mk5, appreciating the consistent performance and reliability. Many users noted that the device operated smoothly without power interruptions, and the inclusion of a power adapter was seen as a positive aspect for ensuring uninterrupted sessions.

    20% of users expressed dissatisfaction with the power supply, primarily due to the lack of a USB-powered option. Some users found the need for an external power adapter inconvenient, especially for portable use. Others reported occasional power-related issues, such as unexpected shutdowns or instability, which affected their recording sessions.

    80%
  • User Interface

    75% of users were satisfied with the user interface of the MOTU UltraLite-mk5, finding it generally intuitive and easy to navigate. They appreciated the clear labeling and logical arrangement of controls, which facilitated a smooth user experience for both beginners and experienced users.

    25% of users found the user interface challenging to navigate, citing a steep learning curve and a lack of intuitive features. These users often struggled with accessing advanced settings and felt that the interface could benefit from simplification or more user-friendly design elements to enhance ease of use.

    75%
  • Feature Set

    85% of users were satisfied with the feature set offered by the MOTU UltraLite-mk5, praising the comprehensive range of functions suited to various audio production tasks. Users appreciated the advanced capabilities, such as onboard mixing and DSP, which they felt expanded their creative possibilities and enhanced their workflow.

    15% of users felt that the feature set was either too complex or lacking in specific areas critical to their needs. These users often desired more streamlined features or additional capabilities that were not available, which limited their ability to fully utilize the device for their intended purposes.

    85%
  • Reliability

    87% of users were satisfied with the reliability of the MOTU UltraLite-mk5, noting that it consistently performed well during extended use. Users valued the stability of the hardware and software, which allowed them to focus on their creative work without worrying about technical issues or unexpected failures.

    13% of users experienced reliability issues, such as occasional software crashes or hardware malfunctions. These problems often required technical support or troubleshooting, which disrupted their workflow. Users with complex setups or those pushing the device to its limits were more likely to encounter such issues.

    87%
  • Learning Curve

    70% of users found the learning curve manageable, particularly those with prior experience in audio production. They appreciated the detailed documentation and available tutorials, which helped them understand the device's capabilities and setup process over time.

    30% of users found the learning curve steep, especially if they were new to audio interfaces or MOTU's ecosystem. These users often struggled with understanding the device's advanced features and integrating it into their existing setups, leading to frustration and a longer adaptation period.

    70%
  • Compatibility

    82% of users were satisfied with the compatibility of the MOTU UltraLite-mk5, particularly with major DAWs and operating systems. They appreciated the seamless integration and minimal setup required to get the interface up and running, which enhanced their overall user experience.

    18% of users encountered compatibility issues, particularly with less common software or older operating systems. These users reported difficulties in achieving stable connections or full functionality, which often required additional troubleshooting or updates to resolve.

    82%
  • Visual Indicators

    78% of users appreciated the visual indicators on the MOTU UltraLite-mk5, finding them helpful for monitoring levels and diagnosing issues quickly. The clear and responsive indicators were noted as useful tools for maintaining optimal audio quality during recording and playback.

    22% of users felt that the visual indicators could be improved, citing issues such as small display size or insufficient brightness. These users often found it challenging to monitor levels accurately in different lighting conditions, leading to potential issues with audio quality management.

    78%
  • Setup Process

    75% of users were satisfied with the setup process, finding it straightforward and well-documented. They appreciated the step-by-step guides and online resources that facilitated a smoother initial experience, allowing them to quickly integrate the device into their setups.

    25% of users found the setup process challenging, particularly those less familiar with audio interfaces or technical configurations. These users often required additional support or guidance to complete the setup, which led to initial delays and frustrations.

    75%
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Pros:
  • High-quality audio conversion and low-latency performance.
  • Extensive connectivity options including USB and MIDI.
  • TotalMix FX software for comprehensive routing and effects.
  • Sturdy build quality and portable design.
  • Support for both Windows and macOS.
  • High-quality audio with 24-bit/192kHz resolution.
  • Comprehensive I/O options including 10 inputs and 8 outputs.
  • User-friendly software for easy control and monitoring.
  • Solid build quality and compact design for portability.
  • Low-latency performance suitable for professional use.
Cons:
  • Higher price point compared to other interfaces.
  • Complex setup for beginners due to vast features.
  • Limited support for Linux operating systems.
  • Higher price point compared to some competing models.
  • No dedicated physical MIDI controls.
  • Learning curve for beginners due to extensive features.
  • Limited onboard DSP effects.
Key Specs
Channels of I/O
Analog:
8 Inputs / 8 Outputs
Digital:
12 Inputs / 12 Outputs
Analog:
8 Inputs / 12 Outputs
Digital:
10 Inputs / 10 Outputs
Maximum Sampling Rate
192 kHz / 24-Bit 192 kHz / 24-Bit
Number of Microphone Inputs
2 2 Preamps
Analog Audio I/O
2x Combo XLR-1/4" TRS Balanced Mic/Line Input (Front Panel)
2x 1/4" TRS Balanced/Unbalanced Line/Hi-Z Input (Front Panel)
4x 1/4" TRS Balanced Line Input
6x 1/4" TRS Balanced Line Output (DC-Coupled)
1x 1/4" TRS Unbalanced Headphone Output (Front Panel)
2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line/Hi-Z Input (Front Panel)
6x 1/4" TRS Balanced Line Input
10x 1/4" TRS Balanced Line Output (DC-Coupled)
1x 1/4" TRS Unbalanced Headphone Output (Front Panel)
Digital Audio I/O
1x TOSLINK Optical ADAT Input
1x TOSLINK Optical ADAT Output
1x XLR 3-Pin AES3 Input (on Breakout Cable)
1x XLR 3-Pin AES3 Output (on Breakout Cable)
1x RCA Coaxial S/PDIF Input (on Breakout Cable)
1x RCA Coaxial S/PDIF Output (on Breakout Cable)
1x TOSLINK Optical ADAT / S/PDIF Input
1x TOSLINK Optical ADAT / S/PDIF Output
1x RCA Coaxial S/PDIF Input
1x RCA Coaxial S/PDIF Output
Host Connection
1x USB-B 1x USB-C (Class-Compliant)
OS Compatibility
macOS 10.12 or Later
Windows 7 or Later
Linux
iPadOS
7 or Later
macOS 10.11 or Later
Windows 10
13.5 or Later
Power Requirements
AC/DC Power Adapter (Included) AC/DC Power Adapter (Included)
The MOTU UltraLite-mk5 USB-C Audio/MIDI Interface and the RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface are both advanced audio/MIDI interfaces, but they differ significantly in their features and connectivity options.
In terms of channels of I/O, the MOTU UltraLite-mk5 offers a total of 8 analog inputs and 12 analog outputs, complemented by 10 digital inputs and 10 digital outputs. On the other hand, the RME Fireface UCX II provides 8 analog inputs and 8 analog outputs, with a broader range of digital I/O, including 12 digital inputs and 12 digital outputs, which includes AES3 connectivity via a breakout cable.
Both units support a maximum sampling rate of 192 kHz at 24-bit resolution, ensuring high-fidelity audio recording and playback. They also both include 2 microphone preamps, although their configurations differ slightly. The MOTU UltraLite-mk5 includes 2 combo XLR-1/4" TRS balanced/unbalanced mic/line/Hi-Z inputs on the front panel, while the RME Fireface UCX II has 2 combo XLR-1/4" TRS balanced mic/line inputs and an additional 2 TRS balanced/unbalanced line/Hi-Z inputs on the front panel.
When it comes to analog audio I/O, the MOTU UltraLite-mk5 is equipped with 6 TRS balanced line inputs and 10 TRS balanced line outputs that are DC-coupled, along with a single unbalanced headphone output on the front panel. In contrast, the RME Fireface UCX II features 4 TRS balanced line inputs, 6 TRS balanced line outputs that are also DC-coupled, and one unbalanced headphone output on the front panel.
For digital audio I/O, the MOTU UltraLite-mk5 provides one TOSLINK optical ADAT/S/PDIF input and output, as well as one RCA coaxial S/PDIF input and output. The RME Fireface UCX II, however, offers a more extensive digital I/O setup with one TOSLINK optical ADAT input and output, one XLR 3-pin AES3 input and output via a breakout cable, and one RCA coaxial S/PDIF input and output via a breakout cable.
In terms of host connection, the MOTU UltraLite-mk5 uses a USB-C port, which is class-compliant, making it compatible with macOS 10.11 or later and Windows 10 13.5 or later. The RME Fireface UCX II uses a USB-B connection and is compatible with macOS 10.12 or later, Windows 7 or later, Linux, and iPadOS 7 or later, offering a broader range of OS compatibility.
Both interfaces require an AC/DC power adapter, which is included with each unit. The differences in connectivity options and OS compatibility may influence the choice between these two models, depending on the specific requirements and existing setup of the user.
General
Channels of I/O
Analog:
8 Inputs / 8 Outputs
Digital:
12 Inputs / 12 Outputs
Analog:
8 Inputs / 12 Outputs
Digital:
10 Inputs / 10 Outputs
Built-In DSP
Yes
Maximum Sampling Rate
192 kHz / 24-Bit 192 kHz / 24-Bit
Number of Microphone Inputs
2 2 Preamps
Built-In Microphone
Input Level Adjustment
1x Knob 2x Knob
Expansion Slots
The MOTU UltraLite-mk5 USB-C Audio/MIDI Interface and the RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface each offer a variety of features tailored to different user needs.
The MOTU UltraLite-mk5 provides a total of 8 analog inputs and 12 analog outputs, paired with 10 digital inputs and 10 digital outputs. This makes for a versatile array of connectivity options, suitable for complex setups. It also includes built-in DSP, which offers onboard effects processing and mixing capabilities, an attractive feature for those looking to minimize latency and offload some processing tasks from their computer. The UltraLite-mk5 supports a maximum sampling rate of 192 kHz at 24-bit resolution, ensuring high-quality audio fidelity. This interface includes 2 microphone preamps and offers input level adjustment via two knobs, providing straightforward control over input levels. However, it does not feature built-in microphones or expansion slots.
On the other hand, the RME Fireface UCX II offers 8 analog inputs and 8 analog outputs, complemented by 12 digital inputs and 12 digital outputs, providing slightly more digital I/O options compared to the UltraLite-mk5. Unlike the MOTU, the RME Fireface UCX II does not include built-in DSP, which may be a consideration for users who rely on onboard processing. It also supports a maximum sampling rate of 192 kHz at 24-bit resolution, ensuring similarly high-quality audio. The interface includes 2 microphone inputs and features a single knob for input level adjustment, which may be seen as less flexible compared to the dual-knob configuration of the UltraLite-mk5. Like the MOTU, it does not have built-in microphones or expansion slots.
In summary, the MOTU UltraLite-mk5 stands out with its built-in DSP and slightly more analog output channels, while the RME Fireface UCX II offers more digital I/O options but lacks built-in DSP. Both interfaces support high-resolution audio and have similar microphone input capabilities, but the user experience and specific needs will determine the better choice between the two.
Signal Processing
Pad
Mic:
-20 dB (Switchable per Channel)
Gain/Trim Range
1/4" Hi-Z Inputs:
+6 dB
Combo XLR-1/4" Mic/Line Inputs:
+75 dB
1/4" Line Inputs:
+12 dB
Mic Inputs:
Up to +74 dB
High-Pass Filter
Solo/Mute
The MOTU UltraLite-mk5 USB-C Audio/MIDI Interface and the RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface both offer distinct features tailored for different user needs.
The MOTU UltraLite-mk5 provides a switchable pad for its mic inputs, allowing for a -20 dB reduction per channel. It supports a substantial gain/trim range for mic inputs, offering up to +74 dB. However, it does not include a high-pass filter or solo/mute functionality for its inputs.
In comparison, the RME Fireface UCX II does not feature a pad for its inputs. It offers a varied gain/trim range across different input types: +6 dB for 1/4" Hi-Z inputs, up to +75 dB for combo XLR-1/4" mic/line inputs, and +12 dB for 1/4" line inputs. Like the MOTU UltraLite-mk5, the RME Fireface UCX II also lacks a high-pass filter and solo/mute functionality.
In summary, while both interfaces lack high-pass filters and solo/mute options, the MOTU UltraLite-mk5 includes a switchable pad for mic inputs and offers a slightly lower maximum gain for mic inputs compared to the RME Fireface UCX II. The RME Fireface UCX II, on the other hand, has a more extensive gain/trim range across different input types but does not feature a pad.
Connectivity
Analog Audio I/O
2x Combo XLR-1/4" TRS Balanced Mic/Line Input (Front Panel)
2x 1/4" TRS Balanced/Unbalanced Line/Hi-Z Input (Front Panel)
4x 1/4" TRS Balanced Line Input
6x 1/4" TRS Balanced Line Output (DC-Coupled)
1x 1/4" TRS Unbalanced Headphone Output (Front Panel)
2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line/Hi-Z Input (Front Panel)
6x 1/4" TRS Balanced Line Input
10x 1/4" TRS Balanced Line Output (DC-Coupled)
1x 1/4" TRS Unbalanced Headphone Output (Front Panel)
Phantom Power
48 V, Selectable On/Off (Selectable on Individual Inputs) 48 V, Selectable On/Off (Selectable on Individual Inputs)
Digital Audio I/O
1x TOSLINK Optical ADAT Input
1x TOSLINK Optical ADAT Output
1x XLR 3-Pin AES3 Input (on Breakout Cable)
1x XLR 3-Pin AES3 Output (on Breakout Cable)
1x RCA Coaxial S/PDIF Input (on Breakout Cable)
1x RCA Coaxial S/PDIF Output (on Breakout Cable)
1x TOSLINK Optical ADAT / S/PDIF Input
1x TOSLINK Optical ADAT / S/PDIF Output
1x RCA Coaxial S/PDIF Input
1x RCA Coaxial S/PDIF Output
Host Connection
1x USB-B 1x USB-C (Class-Compliant)
Host Connection Protocol
USB 2.0 USB 2.0
USB (Non-Host)
1x USB-A (External Storage)
Sync I/O
1x BNC Word Clock Input or Output
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 MOTU UltraLite-mk5 USB-C Audio/MIDI Interface and the RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface offer distinct features in terms of analog and digital audio I/O, host connection, and other capabilities.
The MOTU UltraLite-mk5 provides a broad range of analog audio I/O options, including 2 combo XLR-1/4" TRS balanced/unbalanced mic/line/Hi-Z inputs, 6x 1/4" TRS balanced line inputs, 10x 1/4" TRS balanced line outputs (DC-coupled), and a 1/4" TRS unbalanced headphone output on the front panel. In comparison, the RME Fireface UCX II offers 2 combo XLR-1/4" TRS balanced mic/line inputs, 2x 1/4" TRS balanced/unbalanced line/Hi-Z inputs, 4x 1/4" TRS balanced line inputs, 6x 1/4" TRS balanced line outputs (DC-coupled), and a single 1/4" TRS unbalanced headphone output on the front panel. Both interfaces provide 48 V phantom power, selectable on individual inputs.
For digital audio I/O, the MOTU UltraLite-mk5 features 1x TOSLINK optical ADAT/S/PDIF input and output, and 1x RCA coaxial S/PDIF input and output. On the other hand, the RME Fireface UCX II expands its digital audio I/O options with 1x TOSLINK optical ADAT input and output, 1x XLR 3-pin AES3 input and output (on a breakout cable), and 1x RCA coaxial S/PDIF input and output (on a breakout cable).
Regarding host connection, the MOTU UltraLite-mk5 uses a USB-C connection with a USB 2.0 protocol. In contrast, the RME Fireface UCX II relies on a USB-B connection with a USB 2.0 protocol. Additionally, the RME model supports external storage through a USB-A port, a feature not available on the MOTU UltraLite-mk5.
The RME Fireface UCX II includes sync I/O with a BNC word clock input or output, a feature absent in the MOTU UltraLite-mk5. Both interfaces offer MIDI I/O with 1x DIN 5-pin input and output. The RME Fireface UCX II also incorporates a DE-9/DB-9 9-pin breakout cable for additional in/out options, which is not present on the MOTU UltraLite-mk5.
These differences highlight the specific strengths of each interface, with the MOTU UltraLite-mk5 offering more analog outputs and the RME Fireface UCX II providing more extensive digital connectivity and synchronization capabilities.
Performance
Maximum Input Level
1/4" Hi-Z Inputs:
+13 dBu (Min Gain)
-5 dBu (Max Gain)
Combo XLR-1/4" Mic Inputs:
+18 dBu (Min Gain)
-57 dBu (Max Gain)
Combo XLR-1/4" Line Inputs:
+24 dBu (Min Gain)
-51 dBu (Max Gain)
1/4" Line Inputs:
+19 dBu (Min Gain)
+1 dBu (Max Gain)
Mic Inputs:
0 dBu
Line Inputs:
+24 dBu
Maximum Output Level
Line/Headphone Outputs:
+19 dBu
Line Outputs:
+21 dBu
Headphone Outputs:
+14 dBu
Impedance
Combo XLR-1/4" Mic Inputs:
5.4 Kilohms
Combo XLR-1/4" Line Inputs:
10 Kilohms (Balanced)
5 Kilohms (Unbalanced)
Hi-Z Inputs:
1 Megohm
1/4" Line Inputs:
12 Kilohms (Balanced)
8 Kilohms (Unbalanced)
Line Outputs:
75 Ohms
Headphone Outputs:
1 Ohm
Line/Hi-Z Inputs:
1 Megohm
Dynamic Range
Line Outputs:
115 dB (A-Weighted)
112 dB RMS (Unweighted)
Mic Inputs:
115 dB (A-Weighted)
Line Inputs:
120 dB (A-Weighted)
Line Outputs:
125 dB (A-Weighted)
Headphone Outputs:
118 dB (A-Weighted)
THD+N
Inputs:
< -104 dB / < 0.00063%
Outputs:
< -104 dB / < 0.00063%
Mic Inputs:
-113 dB
Line Inputs:
-114 dB / 0.0002% (Unweighted)
Line Outputs:
-114 dB / 0.0002% (Unweighted)
Headphone Outputs:
-110 dB / 0.0003% (Unweighted)
EIN
Mic Inputs:
-128 dBu A-Weighted (150-Ohm Source, +60 dB Gain, 20 Hz to 20 kHz)
Mic Inputs:
-129 dBu
The MOTU UltraLite-mk5 USB-C Audio/MIDI Interface and the RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface both offer high-quality audio performance, but they have distinct specifications that cater to different professional needs.
The MOTU UltraLite-mk5 provides a maximum input level of 0 dBu for mic inputs and +24 dBu for line inputs. Its maximum output level is +21 dBu for line outputs and +14 dBu for headphone outputs. The impedance for line/Hi-Z inputs is 1 Megohm. In terms of dynamic range, the UltraLite-mk5 delivers 115 dB (A-Weighted) for mic inputs, 120 dB (A-Weighted) for line inputs, 125 dB (A-Weighted) for line outputs, and 118 dB (A-Weighted) for headphone outputs. The THD+N values are impressive with -113 dB for mic inputs, -114 dB / 0.0002% (unweighted) for line inputs and outputs, and -110 dB / 0.0003% (unweighted) for headphone outputs. The EIN for mic inputs is -129 dBu.
On the other hand, the RME Fireface UCX II offers a frequency response that ranges from 5 Hz to 20.8 kHz (-0.1 dB at 44.1 kHz) to 2 Hz to 92 kHz (-1 dB at 192 kHz) for inputs, and from 5 Hz to 20.8 kHz (-0.5 dB at 44.1 kHz) to 5 Hz to 89 kHz (-1 dB at 192 kHz) for outputs. The maximum input level varies significantly depending on the input type: +13 dBu (min gain) to -5 dBu (max gain) for 1/4" Hi-Z inputs, +18 dBu (min gain) to -57 dBu (max gain) for combo XLR-1/4" mic inputs, +24 dBu (min gain) to -51 dBu (max gain) for combo XLR-1/4" line inputs, and +19 dBu (min gain) to +1 dBu (max gain) for 1/4" line inputs. The maximum output level for line/headphone outputs is +19 dBu, with headphone output power being 210 mW per channel into 32 Ohms (max, 0.1% THD). The impedance for different inputs ranges from 1 Megohm for Hi-Z inputs to various values for other inputs and outputs. The dynamic range for line outputs is 115 dB (A-Weighted) and 112 dB RMS (Unweighted), while the SNR for 1/4" line inputs is 115 dB (A-Weighted) and 112 dB RMS (Unweighted). The THD values are less than -110 dB / less than 0.00032% for inputs and less than -108 dB / less than 0.0004% for outputs. The THD+N for both inputs and outputs is less than -104 dB / less than 0.00063%. The EIN for mic inputs is -128 dBu A-Weighted (150-Ohm Source, +60 dB Gain, 20 Hz to 20 kHz).
In summary, while both interfaces offer professional-grade audio performance, the MOTU UltraLite-mk5 stands out with its extremely low THD+N values and higher dynamic range for line outputs. The RME Fireface UCX II, however, offers a wider frequency response range and greater flexibility in input levels, making it suitable for a broader range of recording scenarios.
Digital Audio
Sample Rates
Up to 192 kHz 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
Sample Rate Conversion
Bit Depths
24-Bit 24-Bit
Latency
Zero-Latency Direct Monitoring
A/D Conversion:
0.11 ms at 44.1 kHz
A/D Conversion:
0.1 ms at 48 kHz
A/D Conversion:
0.057 ms at 88.2 kHz
A/D Conversion:
0.052 ms at 96 kHz
A/D Conversion:
0.034 ms at 176.4 kHz
A/D Conversion:
0.031 ms at 192 kHz
2.4 ms at 96 kHz (Dependent on Buffer Size, Input to Output)
Sync Sources
ADAT, AES3, Internal, S/PDIF, Word Clock ADAT, Internal, S/PDIF
The MOTU UltraLite-mk5 and RME Fireface UCX II are both high-quality audio/MIDI interfaces, but they cater to slightly different professional needs based on their specifications.
The MOTU UltraLite-mk5 supports sample rates of 44.1, 48, 88.2, 96, 176.4, and 192 kHz, with a bit depth of 24-bit. It does not offer sample rate conversion. The interface boasts a low latency of 2.4 ms at 96 kHz, which can vary depending on the buffer size and the input-output configuration. Sync sources for the UltraLite-mk5 include ADAT, internal clock, and S/PDIF, but it does not provide additional clocking features.
On the other hand, the RME Fireface UCX II supports sample rates up to 192 kHz and also operates at a 24-bit depth, without the option for sample rate conversion. RME's interface excels in latency, featuring zero-latency direct monitoring and extremely low A/D conversion latencies across various sample rates, such as 0.11 ms at 44.1 kHz, 0.1 ms at 48 kHz, and down to 0.031 ms at 192 kHz. This makes the Fireface UCX II particularly suitable for real-time applications that demand minimal delay. Additionally, the Fireface UCX II offers more extensive sync and clocking options, including ADAT, AES3, internal clock, S/PDIF, and word clock. Its clocking features are highly detailed, including word clock input termination at 75 ohms, various voltage ranges for inputs and outputs, and significant jitter suppression capabilities across different formats.
In summary, while both interfaces support high sample rates and 24-bit depth, the RME Fireface UCX II stands out with its superior latency performance and comprehensive sync and clocking options, making it more suitable for professional environments requiring robust real-time audio processing. The MOTU UltraLite-mk5, with its competent but less extensive feature set, offers a solid choice for users who need high-quality audio capture without the need for advanced clocking and ultra-low latency performance.
Audio Storage & Playback
Compatibility
OS Compatibility
macOS 10.12 or Later
Windows 7 or Later
Linux
iPadOS
7 or Later
macOS 10.11 or Later
Windows 10
13.5 or Later
Processor Requirement
Intel Core i3 or Better Mac:
Intel Core i3 or Better
PC:
Intel Core i3 or Better
AMD
Mobile App Compatible
Yes
Mobile Device Compatibility
iPad
iPad Pro
iPhone
iPad
iPhone
iPod Touch
Required Hardware
Available USB 2.0 Port or USB 3.0 / 3.1/3.2 Gen 1 Port
USB Cable (Included)
Available USB 2.0 Port
The MOTU UltraLite-mk5 USB-C Audio/MIDI Interface and the RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface both offer robust features and high-quality performance, but they differ significantly in their specifications and system requirements.
The MOTU UltraLite-mk5 is compatible with macOS 10.11 or later and Windows 10 13.5 or later, whereas the RME Fireface UCX II supports macOS 10.12 or later, Windows 7 or later, and even Linux. This makes the RME Fireface UCX II more versatile in terms of operating system compatibility. Both interfaces require an Intel Core i3 or better processor, ensuring that they can handle intensive audio tasks efficiently.
In terms of RAM requirements, the MOTU UltraLite-mk5 suggests a minimum of 4 GB, with 8 GB recommended. The RME Fireface UCX II does not specify a RAM requirement, which might imply a broader range of compatible systems, though users should ensure their system meets standard DAW requirements for optimal performance. The MOTU UltraLite-mk5 also specifies a storage requirement of 500 GB, which is not mentioned for the RME Fireface UCX II.
When it comes to mobile app compatibility, the MOTU UltraLite-mk5 is compatible with iPad, iPhone, and iPod Touch, offering more flexibility for mobile device integration. On the other hand, the RME Fireface UCX II supports iPad and iPad Pro but does not include mobile app compatibility, which limits its use with mobile devices.
Both interfaces require an available USB 2.0 port for connectivity. However, the RME Fireface UCX II also supports USB 3.0/3.1/3.2 Gen 1 ports and includes a USB cable, providing more options for connectivity and potentially faster data transfer rates.
In summary, the MOTU UltraLite-mk5 offers broader mobile device compatibility and specific RAM and storage requirements, while the RME Fireface UCX II boasts wider OS compatibility and more versatile connectivity options. Both interfaces cater to different needs and preferences, making them suitable for various audio production environments.
Power
Power Requirements
AC/DC Power Adapter (Included) AC/DC Power Adapter (Included)
AC/DC Power Adapter
9 to 18 VDC at 2 A, Center-Positive (Included) 12 to 18 VDC at 1 A, Center-Positive or Negative (Included)
The MOTU UltraLite-mk5 USB-C Audio/MIDI Interface and the RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface both include AC/DC power adapters, but they differ significantly in their power requirements and specifications.
The MOTU UltraLite-mk5 requires an AC/DC power adapter that operates at 12 to 18 VDC with a current of 1 A, either center-positive or negative. This power adapter is included with the unit. The device does not specify a wide AC input range for the adapter, implying it primarily focuses on the DC voltage range for its operation.
On the other hand, the RME Fireface UCX II also comes with an AC/DC power adapter, but it offers a more versatile AC input power range of 100 to 240 VAC at 50/60 Hz. The AC/DC adapter for the RME Fireface UCX II provides an output of 9 to 18 VDC at 2 A with a center-positive configuration. Additionally, the RME Fireface UCX II specifies a typical power consumption of 13 watts, providing a clearer picture of its power efficiency and requirements during operation.
In summary, the MOTU UltraLite-mk5 uses a DC voltage range of 12 to 18 VDC at 1 A with a flexible center-positive or negative configuration. Conversely, the RME Fireface UCX II accommodates a broader AC input range and requires 9 to 18 VDC at 2 A with a center-positive configuration, consuming 13 watts typically. These distinctions reflect differences in flexibility, power requirements, and potentially in the operational environments they are designed for.
Physical
Rackmount Size
1 RU (with Non-Included Hardware, 1/2-Rack) 1 RU (with Optional Hardware, 1/2-Rack)
Dimensions
8.5 x 5.1 x 1.73" / 21.6 x 13 x 4.39 cm (without Rack Ears)
10.16 x 6.1 x 1.73" / 25.81 x 15.5 x 4.39 cm (with Rack Ears)
8.6 x 6.9 x 1.75" / 21.8 x 17.5 x 4.45 cm
Weight
2.0 lb / 0.9 kg 2.9 lb / 1.3 kg
The MOTU UltraLite-mk5 USB-C Audio/MIDI Interface and the RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface are both compact, half-rack units designed for high-quality audio and MIDI interfacing, but they differ in several key specifications.
In terms of rackmount size, both interfaces are 1 RU and can be mounted with optional hardware. However, the MOTU UltraLite-mk5 has dimensions of 8.6 x 6.9 x 1.75 inches (21.8 x 17.5 x 4.45 cm), making it slightly larger in depth and width compared to the RME Fireface UCX II, which measures 8.5 x 5.1 x 1.73 inches (21.6 x 13 x 4.39 cm) without rack ears and 10.16 x 6.1 x 1.73 inches (25.81 x 15.5 x 4.39 cm) with rack ears. Thus, the RME unit offers a slightly more compact footprint when not considering the additional rack ears.
Weight-wise, the MOTU UltraLite-mk5 is heavier at 2.9 lb (1.3 kg), whereas the RME Fireface UCX II is lighter at 2.0 lb (0.9 kg). This difference in weight might be a consideration for users who prioritize portability.
The RME Fireface UCX II is specified to operate within a humidity range of up to 75% and a temperature range of 41 to 122°F (5 to 50°C). The MOTU UltraLite-mk5 does not provide explicit specifications for operating humidity and temperature, which could be a factor for users in varying environmental conditions.
Overall, the MOTU UltraLite-mk5 is slightly larger and heavier, which might affect portability and rack space considerations. On the other hand, the RME Fireface UCX II provides explicit environmental operating conditions and is lighter, potentially making it more suitable for users needing a more portable solution with clear environmental specifications.
Packaging Info
Package Weight
3.955 lb 4.87 lb
Box Dimensions (LxWxH)
13.7 x 7.7 x 3.7" 14.8 x 11.4 x 5.5"
When comparing the MOTU UltraLite-mk5 USB-C Audio/MIDI Interface and the RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface based on their physical specifications, several differences are evident.
Firstly, the MOTU UltraLite-mk5 has a package weight of 4.87 lb, making it slightly heavier than the RME Fireface UCX II, which has a package weight of 3.955 lb. This indicates that the MOTU UltraLite-mk5 might be more robust or contain additional components, contributing to the increased weight.
In terms of dimensions, the MOTU UltraLite-mk5 measures 14.8 x 11.4 x 5.5 inches (LxWxH). On the other hand, the RME Fireface UCX II is more compact, with box dimensions of 13.7 x 7.7 x 3.7 inches (LxWxH). The smaller size of the RME Fireface UCX II may make it a more portable option, easier to fit into tight spaces or carry around for mobile recording setups.
Both interfaces are designed to cater to professional audio and MIDI needs, but the physical differences in weight and dimensions might influence a user's decision based on their specific requirements for portability and space.
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