Feature highlights: 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 control balance between 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 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 Made in USA Two-year warranty