Usb audio interface design external interface usb 30 max sample rate 192 khz bitrate 24 bit connections 2x headphone 2x instrument analogue outputs 8 x balanced 635mm trs jack 2 x 635mm stereo headphone outputs digital inputs 2 x adat 1 x spdif coaxial word clock digital outputs 2 x adat 1 x spdif coaxial word clock bnc guitar input jack phantom power