SSL Pure Drive Quad, 4-Channel Microphone Preamplifier, AD converter (up to 192 kHz / 32-bit) and 12x12 USB audio interface (44.1 / 48 kHz - 4x analogue + 8 ADAT input channels, 4 AES + 8 ADAT output channels), SuperAnalogue PureDrive microphone preamp technology from the ORIGIN console, Stepped gain control with up to +65 dB gain, 31-Stage trim control with precise 1 dB steps, 3 Modes for each preamp - Clean, Classic-Drive and Asymmetric-Drive, Mic/Line input switching, 4 Input impedance options for mic preamps, +48V phantom power, Polarity switching and tunable high-pass filter, Cascadable via link connection (ADAT), Format: 19