MOTU M4 4-in/4-out USB-C Audio Interface The M4 is a 4-in/4-out USB-C audio interface for Mac, Windows and iOS that offers best-in-class audio quality, best-in-class speed (ultra-low latency) and best-in-class metering with a full-color LCDRecord vocals, instruments or other audio sources quickly and easily. The M4 includes MOTU Performer Lite and Ableton Live Lite production software, 100+ instruments, dozens of plug-ins, and over 6 GB of loops and samples to start making music right away. Additional features include two mic/line/hi-Z instrument XLR combo inputs, individual preamp gain and 48V phantom power, two balanced 1/4-inch line inputs, one-touch hardware monitoring for all inputs, support for stereo monitoring, four balanced 1/4-inch DC-coupled outputs, four unbalanced RCA outputs (mirrored), mix knob for balancing live input with computer playback, ESS-driven headphone output with independent volume control, MIDI in/out, driver "loopback" channels for live-streaming and po