Ultra-flexible audio interface connects your instruments, mixer, etc. with your computer for recording and playback. High-resolution 48 kHz converters for high-end audio quality. Works with your PC or Mac computer—no setup or drivers required. Free audio recording and editing software downloadable at www.behringer.com. Stereo Headphone output with dedicated Level control lets you monitor both input and output. Additional S/PDIF optical output for direct digital conversion. Powered via USB—no external power supply needed.