Usb audio interface series m audio m track design external interface usb 20 max sample rate 192 khz bitrate 24 bit dimensions 152 x 71 x 198 cm weight 09 kg connections headphone 2x instrument analogue outputs 1 x 635mm stereo headphone midi connectors 1 x midi in 1 x midi out phantom power dynamic range mic input 104 db signal to noise ratio microphone input 104 db max level microphone input 1 5 dbu dynamic range line input 101 db signal