RACK MIXER Firewire audio interface. 30 inputs x 34 outputs. 12 Onyx mic preamps. 8 balanced line outputs via 25 pin d-sub. 16 x 16 ADAT I / O at 96kHz (8x8 at 192kHz, 4x4 @ 192kHz). 4 headphone outputs with volume control. 24bit 192kHz AKM AD / DA converters. Zero latency DSP internal matrix. A / B monitor control, talkback and overall volume control functions for stereo up to 7.1 Inputs 1 and 2 with TRS inserts. MIDI 2x2.Word clock. AES / EBU and SP / stereo diff. Stand-alone functionality as a mixer without a computer. Includes license to download Tracktión3 Project Bundle Hardware Edition music production software for Mac or PC from Mackie's website.