This compact, portable and lightweight (only 220g) audio interface transfers digital audio data in SPDIF and ADAT formats to Windows and Mac computers. The latest Plug and Play technology ensures simple installation, even for the inexperienced user. Numerous unique features as well as robust RME drivers enable fast, efficient and comfortable operation of the Digiface USB. Its connectivity includes 66 channels: 32 input / 34 output, 4 ADAT/SPDIF inputs, 4 ADAT/SPDIF outputs, 1 TRS stereo output for headphones. Includes TotalMix and requires no external power supply.