Behringer Audio Interface -Ultra-flexible audio interface connects your instruments, mixer, etc. with your PC or Mac -High-resolution 48 kHz converters -Stereo Headphone output with dedicated Level control for monitoring both input and output -Additional S/PDIF optical output for direct digital conversion -Power: via USB -Includes: Tracktion 4 recording and editing software -Exceptionally rugged construction ensure long life -3 year warranty