The MOTU M2 USB-C Audio/MIDI Interface and the Universal Audio Volt 276 Portable 2x2 USB Type-C Audio/MIDI Interface with Built-In Compressor are both excellent choices for musicians, producers, and podcasters looking for high-quality audio interfaces, but they cater to slightly different needs and preferences.
The MOTU M2 is renowned for its ultra-low latency performance and exceptional audio quality, boasting an ESS Sabre32 Ultra DAC technology, which ensures pristine sound clarity. It offers a 2-in/2-out configuration with two high-quality mic preamps, each featuring individual gain controls, phantom power, and a versatile input that can handle both mic and line/instrument levels. The interface also includes a full-color LCD screen that provides real-time metering for all inputs and outputs, which is a handy feature for monitoring levels and avoiding clipping. Additionally, the M2 has MIDI I/O, making it an excellent choice for users who need to connect MIDI equipment. Its loopback feature is particularly useful for live streaming or podcasting, allowing users to blend computer audio with live inputs seamlessly.
On the other hand, the Universal Audio Volt 276 distinguishes itself with its built-in analog compressor, which is inspired by the classic UA 1176. This feature provides immediate enhancement to vocal and instrument recordings by offering three preset modes (Vocal, Guitar, and Fast) that simplify the process of achieving polished, professional-sounding tracks. Like the MOTU M2, the Volt 276 also provides a 2-in/2-out configuration with high-quality preamps and 24-bit/192kHz audio resolution. However, its vintage mode adds a unique character to the recordings by emulating the rich, full sound of vintage analog gear. This makes the Volt 276 particularly appealing to those looking for a more colored, vintage sound right out of the box. The interface also includes MIDI I/O and comes with a substantial software bundle, providing a wide range of creative tools to get users started.
Both interfaces utilize USB Type-C connectivity, ensuring fast and reliable data transfer with modern computers and devices. The choice between the MOTU M2 and the Universal Audio Volt 276 ultimately depends on the user's specific needs. The MOTU M2 is ideal for those who prioritize ultra-clear, transparent audio and detailed visual monitoring, while the Universal Audio Volt 276 is perfect for users seeking built-in compression and vintage tonal options to enhance their recordings. Both models offer exceptional value and performance, making them worthy considerations for any recording setup.
User Rating Based on Analysis of Reviews |
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Pros: |
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High-quality audio performance with 24-bit/192 kHz resolution.
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Built-in analog compressor with three presets for versatile sound shaping.
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Durable metal construction for enhanced durability and longevity.
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Compact and portable design, ideal for mobile recording.
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USB Type-C connectivity for fast and reliable data transfer.
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MIDI I/O for connecting external MIDI devices.
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Excellent sound quality with ESS Sabre32 Ultra DAC technology.
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Low latency performance for real-time monitoring.
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Sturdy and compact build, suitable for mobile use.
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USB-C connectivity ensures fast data transfer.
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Clear and detailed LCD metering.
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Cons: |
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Limited number of inputs and outputs compared to higher-end interfaces.
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No onboard DSP for real-time processing with zero latency.
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The price may be higher than some entry-level interfaces.
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Requires external power supply for some features, reducing portability.
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Limited to 2 inputs and 2 outputs.
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No onboard DSP effects.
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Some users may find the software bundle lacking.
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Requires a USB-C port for optimal performance, which may not be available on all computers.
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Key Specs |
Channels of I/O |
Analog: 2 Inputs / 2 Outputs |
Analog: 2 Inputs / 2 Outputs |
Maximum Sampling Rate |
192 kHz / 24-Bit |
192 kHz / 24-Bit |
Number of Microphone Inputs |
2 Preamps |
2 Preamps |
Analog Audio I/O |
2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line/Hi-Z Input (Front Panel) 2x 1/4" TRS Balanced Monitor Output 1x 1/4" TRS Unbalanced Headphone Output (Front Panel) |
2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line/Hi-Z Input 1x 1/4" TRS Unbalanced Headphone Output 2x 1/4" TRS Balanced Line Output (DC-Coupled) 2x RCA TS Unbalanced Line Output |
Host Connection |
1x USB-C |
1x USB-C |
OS Compatibility |
macOS 10.14 or Later Windows 10 (64-Bit Only) 14 or Later iPadOS 14 or Later |
macOS 10.11 or Later Windows 7 or Later 9 or Later |
Power Requirements |
AC/DC Power Adapter (Not Included) or USB Bus Power |
USB Bus Power |
The MOTU M2 USB-C Audio/MIDI Interface and the Universal Audio Volt 276 Portable 2x2 USB Type-C Audio/MIDI Interface with Built-In Compressor share several core features but also have distinct differences that may influence your choice depending on your needs.
Both interfaces offer 2 channels of analog I/O, supporting 2 inputs and 2 outputs. They also feature a maximum sampling rate of 192 kHz at 24-bit, ensuring high-resolution audio recording for professional-quality sound. Each device includes 2 microphone inputs with preamps, catering to users who require multiple mic channels for recording vocals or instruments.
In terms of analog audio I/O, the MOTU M2 provides 2 combo XLR-1/4" TRS balanced/unbalanced mic/line/Hi-Z inputs, a 1/4" TRS unbalanced headphone output, 2x 1/4" TRS balanced line outputs (DC-coupled), and 2x RCA TS unbalanced line outputs. This variety offers multiple connection options for different audio setups. The Universal Audio Volt 276 similarly has 2 combo XLR-1/4" TRS balanced/unbalanced mic/line/Hi-Z inputs (located on the front panel), 2x 1/4" TRS balanced monitor outputs, and a 1/4" TRS unbalanced headphone output (also on the front panel). While both interfaces provide versatile connectivity, the MOTU M2 includes additional RCA outputs, which may be beneficial for certain configurations.
Both interfaces use a USB-C host connection, ensuring fast data transfer and compatibility with newer computer models. The MOTU M2 supports macOS 10.11 or later and Windows 7 or later, offering broad compatibility with older operating systems. In contrast, the Universal Audio Volt 276 requires macOS 10.14 or later, Windows 10 (64-bit only), and also supports iPadOS 14 or later, making it suitable for users looking to integrate with modern Apple devices.
Regarding power requirements, the MOTU M2 is powered solely via USB bus power, providing convenience for portable setups without needing an additional power source. The Universal Audio Volt 276 can be powered either by an AC/DC power adapter (not included) or via USB bus power, offering flexibility depending on your power preferences and availability.
In summary, while both interfaces deliver high-quality audio with similar core features, the MOTU M2 offers a wider range of analog outputs and more extensive OS compatibility. The Universal Audio Volt 276, on the other hand, includes a built-in compressor, potentially adding value for users who require on-the-go dynamic processing, and supports newer macOS and iPadOS versions, making it ideal for users in the Apple ecosystem.
General |
Channels of I/O |
Analog: 2 Inputs / 2 Outputs |
Analog: 2 Inputs / 2 Outputs |
Maximum Sampling Rate |
192 kHz / 24-Bit |
192 kHz / 24-Bit |
Number of Microphone Inputs |
2 Preamps |
2 Preamps |
Input Level Adjustment |
2x Knob |
2x Knob |
Expansion Slots |
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The MOTU M2 USB-C Audio/MIDI Interface and the Universal Audio Volt 276 Portable 2x2 USB Type-C Audio/MIDI Interface with Built-In Compressor are both robust devices designed for audio and MIDI interfacing, providing similar features but with some distinctions.
In terms of I/O channels, both the MOTU M2 and the Universal Audio Volt 276 offer 2 analog inputs and 2 analog outputs, enabling users to connect and record from multiple sources simultaneously. They both support a maximum sampling rate of 192 kHz at 24-bit resolution, ensuring high-quality audio recording and playback.
Both interfaces are equipped with 2 microphone preamplifiers, allowing users to connect and utilize two microphones at once. The input level adjustment on both devices is managed through 2 knobs, providing manual control over the input gain for optimal recording levels.
One notable difference is that the Universal Audio Volt 276 features a built-in compressor, which can be a significant advantage for those looking to achieve more controlled and polished recordings without needing external compression hardware. The MOTU M2 does not have a built-in compressor.
Neither the MOTU M2 nor the Universal Audio Volt 276 includes a built-in microphone, and both lack expansion slots, meaning users cannot expand their functionality with additional hardware modules.
Overall, while both interfaces share many core features, the inclusion of a built-in compressor in the Universal Audio Volt 276 sets it apart for users who prioritize on-board dynamics processing.
Signal Processing |
Pad |
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High-Pass Filter |
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Solo/Mute |
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The MOTU M2 USB-C Audio/MIDI Interface and the Universal Audio Volt 276 Portable 2x2 USB Type-C Audio/MIDI Interface with Built-In Compressor both serve as capable tools for audio recording and MIDI interfacing, yet they differ slightly in their specifications and features.
Both the MOTU M2 and the Universal Audio Volt 276 lack a pad feature, high-pass filter, and solo/mute functions. This means neither interface offers onboard options for attenuating input signal levels, filtering out low-frequency noise, or isolating individual tracks during playback or recording directly on the unit.
However, the MOTU M2 distinguishes itself with its gain/trim range specifications. The MOTU M2 provides a gain range of 0 dB to +60 dB for mic inputs and 0 dB to +57 dB for line/Hi-Z inputs. This range allows for significant amplification of input signals, accommodating a variety of microphones and instruments and ensuring flexible input level management.
On the other hand, one of the key features of the Universal Audio Volt 276 is its built-in compressor, a notable omission in the MOTU M2's feature set. The built-in compressor in the Volt 276 provides users with the ability to control dynamic range directly on the interface, which is beneficial for achieving a more polished and controlled sound during the recording process.
Thus, while both interfaces share similarities in their lack of certain features, the MOTU M2 offers a broader gain/trim range, making it more versatile for input levels. In contrast, the Universal Audio Volt 276's built-in compressor adds a layer of dynamic processing capability, catering to users who prioritize onboard signal management.
Connectivity |
Analog Audio I/O |
2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line/Hi-Z Input (Front Panel) 2x 1/4" TRS Balanced Monitor Output 1x 1/4" TRS Unbalanced Headphone Output (Front Panel) |
2x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line/Hi-Z Input 1x 1/4" TRS Unbalanced Headphone Output 2x 1/4" TRS Balanced Line Output (DC-Coupled) 2x RCA TS Unbalanced Line Output |
Phantom Power |
48 V, Selectable On/Off (Applied to All Inputs) |
48 V, Selectable On/Off (Selectable on Individual Inputs) |
Digital Audio I/O |
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Host Connection |
1x USB-C |
1x USB-C |
Host Connection Protocol |
USB 2.0 |
USB 2.0 |
USB (Non-Host) |
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Sync I/O |
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Network I/O |
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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 M2 USB-C Audio/MIDI Interface and the Universal Audio Volt 276 Portable 2x2 USB Type-C Audio/MIDI Interface with Built-In Compressor share several similarities in terms of their features, but also have some distinct differences that could impact your choice depending on your specific needs.
Both interfaces offer 2x Combo XLR-1/4" TRS balanced/unbalanced mic/line/Hi-Z inputs, providing flexibility for connecting a variety of audio sources. Additionally, both units include a 1/4" TRS unbalanced headphone output, making it easy to monitor your recordings directly. They also each feature 1x USB-C port for host connection and utilize the USB 2.0 protocol.
However, there are notable differences in their analog audio I/O configurations. The MOTU M2 includes 2x 1/4" TRS balanced line outputs (DC-coupled) and 2x RCA TS unbalanced line outputs, offering more output options for different monitoring setups or external processing chains. In contrast, the Universal Audio Volt 276 provides 2x 1/4" TRS balanced monitor outputs, which are standard for professional monitoring but do not include the additional RCA outputs found on the MOTU M2.
When it comes to phantom power, both interfaces offer 48 V phantom power, but the MOTU M2 allows this to be selectable on individual inputs, whereas the Universal Audio Volt 276 applies phantom power to all inputs uniformly. This difference could be significant if you need to simultaneously use a combination of condenser and dynamic microphones.
Both devices feature MIDI I/O with 1x DIN 5-Pin input and 1x DIN 5-Pin output, facilitating the integration of MIDI-compatible instruments and controllers into your setup. Neither device includes digital audio I/O, USB (non-host) connections, sync I/O, or network I/O, focusing purely on analog audio and MIDI connectivity.
One unique feature of the Universal Audio Volt 276 is the built-in compressor, which is not present in the MOTU M2. This built-in compressor can be invaluable for controlling dynamic range during recording, ensuring a more polished sound without needing additional hardware or software.
In summary, while both the MOTU M2 and Universal Audio Volt 276 offer robust and similar core functionalities, the MOTU M2 provides more output options and individual phantom power control, whereas the Universal Audio Volt 276 includes a built-in compressor, potentially offering a more streamlined recording process for those who need dynamic control. Your choice may ultimately depend on whether you value the additional output flexibility and phantom power control of the MOTU M2 or the integrated compression capabilities of the Universal Audio Volt 276.
Digital Audio |
Sample Rates |
Up to 192 kHz |
Up to 192 kHz |
Sample Rate Conversion |
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Bit Depths |
24-Bit |
24-Bit |
Latency |
Zero-Latency Direct Monitoring |
Zero-Latency Direct Monitoring2.5 ms at 96 kHz (Dependent on Buffer Size, Input to Output) |
Sync Sources |
Internal |
Internal |
The MOTU M2 USB-C Audio/MIDI Interface and the Universal Audio Volt 276 Portable 2x2 USB Type-C Audio/MIDI Interface with Built-In Compressor share several similarities but also have some distinct differences that might influence your choice depending on your specific needs.
Starting with sample rates, both the MOTU M2 and the Universal Audio Volt 276 support sample rates up to 192 kHz. This high-resolution audio capability ensures that both interfaces can handle professional-quality recordings with ease. Neither device offers sample rate conversion, meaning the sample rate must be set consistently across your recording hardware and software.
In terms of bit depths, both interfaces also support 24-bit audio, which is the standard for professional audio recording, providing a good balance between file size and audio quality. This ensures that recordings made through either interface will have a high dynamic range and low noise floor.
When it comes to latency, both the MOTU M2 and the Universal Audio Volt 276 offer zero-latency direct monitoring. This feature is crucial for real-time monitoring while recording, eliminating any noticeable delay between input and output signals. The MOTU M2 specifies a latency of 2.5 ms at 96 kHz, which is dependent on buffer size and input to output configuration. The Universal Audio Volt 276 does not specify the exact latency in milliseconds but emphasizes its zero-latency direct monitoring feature.
Both interfaces use internal sync sources, which means they rely on their internal clock for timing. This is typical for most standalone audio interfaces and ensures stable and reliable performance without needing external sync sources.
In summary, both the MOTU M2 and the Universal Audio Volt 276 offer high-quality audio recording with 24-bit depth and up to 192 kHz sample rates, zero-latency direct monitoring, and internal sync sources. The choice between the two may come down to additional features like the built-in compressor on the Universal Audio Volt 276, which could be a deciding factor for those who need onboard compression during recording.
Audio Storage & Playback |
Memory Card Slot |
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When comparing the MOTU M2 USB-C Audio/MIDI Interface and the Universal Audio Volt 276 Portable 2x2 USB Type-C Audio/MIDI Interface with Built-In Compressor, one key feature to consider is the availability of a memory card slot. Both the MOTU M2 and the Universal Audio Volt 276 do not include a memory card slot. This means that users looking to expand their storage directly via memory cards will not find this feature in either of these interfaces.
The MOTU M2 is known for its high-quality audio performance, with ESS Sabre32 Ultra DAC technology that delivers an impressive dynamic range. It offers two combo inputs with preamps, two line outputs, and a MIDI I/O, making it a versatile option for musicians and producers. Additionally, the MOTU M2 features a full-color LCD screen that provides detailed metering, which is a valuable tool for monitoring audio levels accurately.
On the other hand, the Universal Audio Volt 276 distinguishes itself with its built-in compressor modeled after the classic 1176, which is highly regarded in the audio industry. This feature allows users to add a touch of analog warmth and character to their recordings. The Volt 276 also features two combo inputs, MIDI I/O, and two line outputs, similar to the MOTU M2. However, it stands out with its vintage-inspired design and focus on delivering a classic analog experience.
In summary, both the MOTU M2 and Universal Audio Volt 276 lack a memory card slot, focusing instead on delivering high-quality audio performance and versatile connectivity options. The MOTU M2 excels with its advanced DAC technology and detailed metering, while the Universal Audio Volt 276 offers a unique built-in compressor for added analog character and vintage appeal.
Compatibility |
OS Compatibility |
macOS 10.14 or Later Windows 10 (64-Bit Only) 14 or Later iPadOS 14 or Later |
macOS 10.11 or Later Windows 7 or Later 9 or Later |
Processor Requirement |
Mac: Intel Apple M1 PC: Intel AMD |
Mac: 1 GHz Intel PC: 1 GHz Intel Pentium |
Required Hardware |
Available USB 2.0 Port USB Cable (Included) |
Available USB 2.0 Port USB Cable (Included) |
Internet Connection |
Required for Registration, Software/Driver Download |
Required for Software/Driver Download |
The MOTU M2 USB-C Audio/MIDI Interface is compatible with macOS 10.11 or later and Windows 7 or later, requiring a processor of at least 1 GHz Intel for both Mac and PC. It needs a minimum of 2 GB RAM, with 4 GB recommended, and an available USB 2.0 port to connect. Additionally, an internet connection is necessary for downloading software and drivers.
On the other hand, the Universal Audio Volt 276 Portable 2x2 USB Type-C Audio/MIDI Interface is compatible with macOS 10.14 or later, Windows 10 (64-bit only), and iPadOS 14 or later. This interface supports both Intel and Apple M1 processors for Mac, as well as Intel and AMD processors for PC. It also includes compatibility with mobile devices such as iPad Pro, iPad, and iPhone. Similar to the MOTU M2, it requires an available USB 2.0 port and an internet connection for registration and software/driver downloads.
In summary, while both interfaces support macOS and Windows, the Universal Audio Volt 276 offers broader compatibility with a wider range of operating systems and processors, including mobile devices. Both devices require an available USB 2.0 port and an internet connection for software-related needs. However, the MOTU M2 has a lower minimum OS requirement for macOS and Windows, making it potentially more versatile for users with older systems.
Power |
Power Requirements |
AC/DC Power Adapter (Not Included) or USB Bus Power |
USB Bus Power |
When comparing the MOTU M2 USB-C Audio/MIDI Interface and the Universal Audio Volt 276 Portable 2x2 USB Type-C Audio/MIDI Interface with Built-In Compressor, one notable difference lies in their power requirements. The MOTU M2 is designed to operate solely on USB bus power, meaning it draws the necessary power directly from the connected USB port. This can make the MOTU M2 particularly convenient for users who are looking for a straightforward, cable-free setup, especially in mobile or portable recording environments.
In contrast, the Universal Audio Volt 276 offers more flexibility in terms of power options. It can operate using either a USB bus power connection or an external AC/DC power adapter, although the adapter is not included. The AC/DC power adapter specification is 5 VDC. This dual power capability can be advantageous in studio settings or other stationary setups where consistent power is critical, as it allows the user to choose between the simplicity of USB bus power or the potentially more stable power supply provided by an external adapter.
In summary, the MOTU M2’s reliance on USB bus power simplifies its setup and enhances portability, making it ideal for mobile recording. On the other hand, the Universal Audio Volt 276’s dual power options provide additional flexibility, catering to both portable and stationary use cases, though users will need to source the AC/DC power adapter separately if they opt for that power method.
Physical |
Anti-Theft Features |
Kensington Security Slot |
Kensington Security Slot |
The MOTU M2 USB-C Audio/MIDI Interface and the Universal Audio Volt 276 Portable 2x2 USB Type-C Audio/MIDI Interface with Built-In Compressor both offer anti-theft features through the inclusion of a Kensington Security Slot, providing users with a way to secure the devices against theft.
In terms of dimensions, the MOTU M2 measures 7.5 x 4.25 x 1.75 inches (19.1 x 10.79 x 4.45 cm) for the chassis only, making it a compact and portable option for users who need to carry it along for mobile recording or live performance setups.
The weight of the MOTU M2 is 1.4 lb (0.6 kg), which further emphasizes its portability, ensuring that it is light enough to be transported easily without adding significant bulk to a user's gear.
On the other hand, the Universal Audio Volt 276 does not have specific dimensions or weight listed in the provided specifications, but it shares the same anti-theft feature with the inclusion of a Kensington Security Slot, enhancing its security for users.
Overall, both interfaces provide essential anti-theft security through Kensington Security Slots. The MOTU M2 stands out with specific details on its compact dimensions and lightweight build, which are critical factors for users prioritizing portability.
Packaging Info |
Package Weight |
2.615 lb |
1.8 lb |
Box Dimensions (LxWxH) |
9.7 x 7.7 x 4.4" |
10 x 7.45 x 2.75" |
The MOTU M2 USB-C Audio/MIDI Interface and the Universal Audio Volt 276 Portable 2x2 USB Type-C Audio/MIDI Interface with Built-In Compressor are both compact, high-quality audio interfaces designed for musicians, producers, and content creators. Despite their similar functionalities, they exhibit distinct differences in terms of weight and dimensions.
The MOTU M2 is a lightweight and portable option with a package weight of 1.8 pounds. Its compact box dimensions measure 10 x 7.45 x 2.75 inches, making it an easy addition to any mobile recording setup. The interface emphasizes portability without sacrificing performance, making it a versatile choice for users who require a reliable and efficient recording tool on the go.
In contrast, the Universal Audio Volt 276 is slightly heavier and bulkier, with a package weight of 2.615 pounds. The box dimensions are 9.7 x 7.7 x 4.4 inches, reflecting its more robust build and additional features, such as the built-in compressor. While still portable, the extra weight and size may be a consideration for users who prioritize compactness and ease of transport.
Ultimately, both interfaces offer excellent audio quality and connectivity but cater to slightly different needs in terms of portability and physical footprint. The MOTU M2 is the lighter and more compact option, while the Universal Audio Volt 276 provides additional features in a slightly larger and heavier package.