M4

4-in / 4-out USB audio interface with studio-quality sound

Best-in-class audio quality driven by ESS Sabre32 Ultra™ DAC Technology

Best-in-class speed (ultra-low latency) for host software processing

Best-in-class metering for all inputs/outputs with a full-color LCD

2x mic/line/hi-Z guitar inputs on combo XLR/TRS

Individual preamp gain and 48V phantom power for each input

2x balanced 1/4-inch line inputs

Hardware (direct) monitoring for each input (mono or stereo for inputs 1-2, stereo for inputs 3-4)

Monitor mix knob to balance live inputs and computer playback

Measured -129 dB EIN on mic inputs

4x balanced, DC-coupled 1/4-inch TRS outputs

Measured 120 dB dynamic range on the 1/4-inch balanced TRS outputs

4x RCA (unbalanced) analog out (mirrored)

1x headphone out (driven by ESS converters) with independent volume control

MIDI in/out

Support for 44.1 to 192 kHz sample rates

USB audio class compliant for plug-and-play operation on Mac (no driver required)

Windows driver with 2.5 ms Round Trip Latency (32 sample buffer at 96 kHz)

Mac driver (optional, for 2.5 ms RTL@32/96 kHz and loopback feature)

iOS compatible (USB audio class compliant)

Driver loopback for capturing host output, live streaming and podcasting

Bus powered USB-C (compatible with USB Type A) with power switch (USB cable included)

Rugged metal construction

Workstation software included (MOTU Performer Lite 10 and Ableton Live Lite 10)

100+ instruments (in Performer Lite)

Over 6 GB of included free loops, samples and one-shots from industry leading libraries

Kensington security slot

Built in the USA

Sample rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz
Mic/line/guitar inputs: 2 x XLR/TRS "combo jack" mic/line/Hi-Z guitar inputs Independent preamp gain, 48V phantom power and monitor switch for each input
Analog inputs: 2 x 1/4" line in
Analog outputs:
4 x 1/4" TRS line out (balanced, DC coupled)
4 x RCA (unbalanced) analog out (mirrored)
1 x 1/4" TRS stereo headphone
Computer I/O: 1 x USB-C (compatible with USB Type A) 2.0 audio class compliant
MIDI I/O:
1 x MIDI IN
1 x MIDI OUT
16 MIDI channels to/from computer host
Headphone: 1 x 1/4" TRS stereo phone
Phantom power: 2 x individual +48V
Front panel:
1 x 1/4" TRS headphone output
2 x XLR/TRS combo inputs
1 x potentiometer . monitor vol
1 x potentiometer . phone vol
1 x potentiometer . input monitor mix
2 x potentiometer . mic/line/guitar input gain
5 x switches . (2) 48V, (2) MON and (1) 3-4
160 x 120 pixel full-colored LCD with input and output level meters
Power: Bus-powered through USB
Dimensions and weight: (width x depth x height, enclosure only) 8.25 x 4.25 x 1.75 inches 20.955 x 10.8 x 4.5 cm 1.55 lbs / 0.7 kg

System Requirements

Mac System Requirements

1 GHz Intel-based Mac or faster
2 GB RAM; 4 GB or more recommended
macOS version 10.11 or later
Available USB port
A large hard drive (at least 500 GB for recording)

Windows System Requirements

1 GHz Pentium-based PC compatible or faster
2 GB RAM; 4 GB or more recommended
Windows 7, 8 or 10
Available USB port
A large hard drive (at least 500 GB for recording)

Class-Compliant Support

USB audio class compliant for plug-and-play operation on
Mac or iOS (no driver required)

Included Software

MOTU Performer Lite
Ableton Live 10 Lite
6GB of loops and sounds from Big Fish Audio,
LucidSamples, Loopmasters and MOTU

Operating Systems

macOS 10.11 or later; Windows 7 or later