Thunderbolt audio interface design external interface thunderbolt max sample rate 96 khz bitrate 24 bit dimensions 18 x 108 x 45 cm weight 065 kg connections headphone analogue outputs 2 x balanced 635mm trs jack 1 x 635mm stereo headphone guitar input jack midi connectors 1 x midi in 1 x midi out phantom power dynamic range mic input 92 db signal to noise ratio microphone input 124 db harmonic distortion microphone input 0 009 dynamic range lin