digidesign digi 003 rack factory - firewire audio interface, 2u rackmountable, 18 simultaneous channels of audio i/o, 24-bit/96 khz resolution, 8 analog inputs, 8 analog outputs, 4 professional mic preamp with 48v phantom power (switchable by channel pairs), 8-channel adat optical i/o or 2-channel of s/pdif optical i/o, 2-channel s/pdif digital i/o, 1 midi in, 2 midi outs, bnc word clock i/o, dedicated studio monitor output, alternate control room output, alternate source input for external device monitoring, dual headphone outputs. software: digidesign® pro tools le software, factory plugin bundle and pro tools ignition pack 2 pro. dimensions: 19" rack/2u, 34.29cm deep. weight: 5.09kg.