MOTU 8 Pre USB, USB audio interface, 24 Bit / 96 kHz AD/DA Converter, 8 mic preamps with phantom power (XLR/TRS combo), ADAT in/out (up to 96 kHz), MIDI in/out, 2x analog out (1/4" TRS), headphone out, works as stand-alone 8-channel ADAT converter. Requires Mac OSX 10.6 or higher, Windows Vista or higher, 19", 1U.