Pure Drive Octo, 8-Channel Microphone Preamplifier, 192 kHz / 32-bit AD/DA converter, 12 x 12 USB audio interface, 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 switch, 4 Input impedance options for mic preamps, +48V phantom power, Polarity switching and high-pass filter, Cascadable via link connection (ADAT), Type: 19