RME Digiface USB, Usb Audio Interface, 32 Input/34 output channels, 4 ADAT/SPDIF inputs, 4 ADAT/SPDIF outputs, 1 Headphone access TRS stereo, Sample frequencies from 28 kHz up to 200 kHz, 66 Channels I/O via USB 2.0, ADAT and SPDIF I/O can be used simultaneously, RME Low-Latency driver, TotalMix Software: 2244 Channel mixer with 46 bit internal resolution (without DSP effects), SteadyClock II for maximum jitter suppression, SynchCheck checks the synchronicity of the input signals, SyncAlign guarantees sample-accurate and never-changing channel assignments, USB Bus-Powered operation, No external power supply required, Digicheck analysis and metering software, Compact and portable, USB 2.0 cable included, Weight: 220 g