MOTU M4 Audio Interface
Description
The MOTU M4 is a professional 4-in / 4-out USB-C audio interface designed for studio recording, live streaming, and podcasting. Driven by high-end ESS Sabre32 Ultra DAC technology, it delivers a class-leading 120 dB of dynamic range on its main outputs along with an ultra-clean preamp performance measuring a -129 dBu Equivalent Input Noise (EIN). The unit stands out in its class by featuring a full-color LCD screen that provides detailed, high-resolution peak metering for all inputs and outputs. It includes two flexible front-panel XLR/TRS combo inputs with individual 48V phantom power, hardware direct monitoring controls, an input monitor mix knob, two additional balanced line inputs on the rear, and driver-level loopback capabilities for seamless live stream integration.
Technical Specifications
| Feature | Specification |
|---|---|
| Interface Type | USB-C Audio Interface (USB 2.0 Class Compliant) |
| Simultaneous I/O | 4 Inputs / 4 Outputs |
| Supported Sample Rates | 44.1, 48, 88.2, 96, 176.4, 192 kHz |
| Preamps & Phantom Power | 2 x Ultra-clean Mic/Line/Hi-Z Guitar Combo Inputs; 2 x Independent +48V Switches |
| Analog Inputs | 2 x XLR-1/4″ Combo (Front), 2 x 1/4″ TRS Balanced Line In (Rear) |
| Analog Outputs | 4 x 1/4″ TRS Line Out (Balanced, DC Coupled), 4 x RCA Unbalanced (Mirrored), 1 x 1/4″ Stereo Headphone Jack |
| MIDI Connectivity | 1 x MIDI Input, 1 x MIDI Output (16 Channels to/from host) |
| Dynamic Range & Latency | 120 dB Dynamic Range on Line Out; Ultra-low 2.5 ms Round Trip Latency (96 kHz, 32 sample buffer) |
| Power Source | USB Bus-powered with a dedicated hardware Power Switch |
| Dimensions & Weight | 8.25″ x 4.25″ x 1.75″ (20.95 cm x 10.8 cm x 4.5 cm); 1.55 lbs (0.7 kg) |