2-in/4-out USB-C audio interface. Next-Gen 32-bit 192 kHz converters. 2 x SSL microphone preamps w/ Dedicated High Pass Filter, Line-input, and 48V phantom power. 2 x Auto-detect instrument (DI) inputs. 2 x Independent professional headphone outputs. Legacy 4K Analogue Enhancement Circuit. 4 x Professional balanced TRS outputs. DC-coupled outputs are suitable for sending CV (control voltages) to synths. Stereo loopback feature. SSL Production Pack software bundle. Robust design, using quality components. USB 2.0 bus-powered, portable interface for Mac/PC.