MOTU M4 - 4-Input, 4-Output USB-C Audio Interface
The MOTU M4 redefines expectations for compact audio interfaces, delivering sound quality and performance that rival high-end studio equipment. Designed for musicians, producers, podcasters, and content creators, the M4 combines precision engineering with premium components to capture and reproduce audio with exceptional clarity and detail. Equipped with the acclaimed ESS Sabre32 Ultra™ DAC conversion technology —the same found in interfaces costing thousands of euros—the M4 provides an impressive 120 dB of dynamic range on its main outputs. This translates to transparent audio reproduction with defined bass and crystal-clear highs, allowing you to make critical mixing decisions with complete confidence.
One of the biggest challenges in digital recording is latency. MOTU tackles this problem head-on with its expert USB drivers, achieving an ultra-low round-trip latency of just 2.5 ms (at 96 kHz with a 32-sample buffer). This class-leading performance allows you to monitor and record through software with real-time effects without the annoying delay, making the experience feel as immediate as analog hardware. Furthermore, the M4 is the only interface in its category to feature a high-resolution, full-color LCD screen , providing clear and detailed metering for all inputs and outputs, allowing you to monitor your signal levels with professional precision at all times.
Main Features
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Exceptional Sound Quality: Equipped with ESS Sabre32 Ultra™ DAC technology for a dynamic range of 120 dB and audiophile-level audio quality.
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Crystal Clear Mic Preamps: Two mic preamps with combo (XLR/TRS) connectors that deliver incredibly low background noise (-129 dBu EIN) and clean, transparent sound for your mics and line sources.
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Hi-Z Inputs for Guitar and Bass: The two microphone inputs also function as high impedance (Hi-Z) inputs, perfect for connecting electric guitars or basses directly without the need for a DI box.
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Expanded Connectivity: In addition to the two preamps, the M4 includes two additional line inputs in balanced 1/4 inch jack format for connecting synthesizers, keyboards or other line level sources.
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Direct and Flexible Monitoring: Listen to inputs in real time with zero latency. The M4 features a Mix knob to perfectly balance the sound from your direct inputs with playback from your computer.
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Integrated Loopback Function: An essential tool for podcasters and streamers. The loopback feature allows you to capture the audio output from your computer and mix it with the microphone inputs, making it easy to record online interviews or stream gameplay with high-quality audio.
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Robust Construction: Made with a sturdy metal chassis, the M4 is designed to withstand the demands of studio and mobile use.
Benefits for the Modern Musician and Producer
The MOTU M4 isn't just a box for connecting your instruments; it's the nerve center of your studio. Its exceptional latency performance lets you play virtual instruments and process your voice with effects in real time, fostering creativity without technical interruptions. The headphone output, also powered by an ESS converter, can drive high-impedance headphones, providing detailed monitoring for recording and mixing. With individually switchable 48V phantom power for each microphone input, you can use both condenser and dynamic microphones with ease.
Applications and Use Cases
Thanks to its versatility and professional quality, the MOTU M4 is the perfect choice for a wide range of applications. It's ideal for the home studio of the musician looking to record vocals and instruments with the highest fidelity. For the podcaster or streamer , the loopback function and precise metering on its LCD screen greatly simplify the workflow. As a portable interface for the producer on the go , its USB-C bus power and metal construction make it a reliable and powerful travel companion. It's also an excellent option for DJs who need high-quality outputs for their live sets.
Frequently Asked Questions
Do I need to install drivers to use the MOTU M4?
On Mac and iOS, the M4 is "class compliant," meaning it works without drivers (plug-and-play). However, to achieve the lowest latency (2.5 ms) and access the loopback function on Mac, installing the optional driver is recommended. On Windows, installing the MOTU driver is required to ensure optimal performance and the lowest latency.
What is the loopback function and what is it used for?
Loopback is a feature that lets you redirect audio playing on your computer (for example, from a browser, a game, or a Skype call) back to your audio interface as if it were another input. This allows you to mix it with your microphones or instruments and record it all together, which is extremely useful for live streaming, podcasting, and content creation.
Can I connect my electric guitar directly to the interface?
Yes. The two front combo inputs are high impedance (Hi-Z), specifically designed to connect electric guitars and basses directly, capturing their tone with total clarity and without the need for additional equipment.
Does the MOTU M4 need an external power adapter?
No, it's powered directly via the USB-C bus (compatible with USB-A via an adapter). This makes it very portable and reduces cable clutter on your desk.
What software is included with the purchase?
The M4 includes a complete software package so you can start creating music right away: MOTU Performer Lite, Ableton Live Lite, and a library with over 100 virtual instruments and 6GB of loops and samples from Big Fish Audio, Lucidsamples, and Loopmasters.
Project description
This audio interface features USB-C connectivity, up to 24-bit/192kHz resolution, and four inputs and four outputs. It includes two XLR/TRS combo mic/line/Hi-Z preamps with individual 48V phantom power and two balanced TRS line inputs. Outputs include four balanced TRS jacks and four mirrored unbalanced RCA outputs, plus a stereo headphone output. The interface incorporates ESS Sabre32 Ultra™ D/A conversion technology with 120dB of dynamic range. It offers direct hardware monitoring with mix control and loopback functionality. Additional features include 5-pin DIN MIDI input and output, a full-color LCD display for level metering, and USB bus power.
