Professional audio interface consisting of Chassis + I / O module 2x6. Chassis features: equipped with 2 I / O module housing slots, port primary connector (for direct connection to Pro Tools HD / HDX Mac and PC systems), Word Clock in and out, Loop In and out, USB AUX (for firmware update), Headphone outlet with jack from 1/ 4 ", multi-function control knob, large touchscreen display to adjust each device parameter, power supply 110-240/50-60Hz, sizes 2 unit rack. Features 2x6 I / O module if: equipped with 2 in analog with XLR connectors, 6out analogue white with connector D-Sub 25, 2 in and 2 out AES-EBU balanced with XLR connector (192 kHz compatible single wide), in and out optic out (8 channels ADAT A 44.1-48 kHz, 4 smux channels at 88.2-96 KHz, 2 SPDIF channels at 192 kHz), in and out coaxial (2 SPDIF channels at 192 kHz). N.B. Check the minimum system requirements and Mac operating systems currently supported on the manufacturer's site.