Usb audio interface design external interface usb 20 max sample rate 96 khz bitrate 24 bit connections headphone analogue input 1 x xlr mic analogue outputs 1 x 635mm stereo headphone 1 x rca stereo guitar input jack phantom power dynamic range mic input 106 db microphone input frequency response 20 20000 hz max level microphone input 4 dbu frequency response instrument input 20 20000 hz max level instrument input 21 dbu software includ