Usb audio interface ipad audio interface series steinberg ur design external interface usb 20 max sample rate 192 khz bitrate 24 bit dimensions 252 x 47 x 158 cm weight 16 kg connections headphone analogue inputs 4 x xlr635mm combo jack 2 x balanced 635mm trs jack analogue outputs 2 x 635mm stereo headphone outputs 4 x balanced 635mm trs jack 2 x balanced 635mm trs jack guitar input jack midi connectors 1 x midi in 1 x midi out phantom power