Usb audio interface series focusrite scarlett design external interface usb 20 max sample rate 96 khz bitrate 24 bit dimensions 21 x 5 x 18 cm weight 118 kg connections headphone analogue outputs 1 x 635mm stereo headphone 4 x balanced 635mm trs jack digital inputs 1 x spdif coaxial digital outputs 1 x spdif coaxial guitar input jack midi connectors 1 x midi in 1 x midi out phantom power signal noise ratio 110 db software included ableton