2x2 USB audio interface for recording microphones and instruments, Audiophile 48 kHz resolution for professional audio quality Compatible with popular recording software including Avid Pro Tools, Ableton Live, Steinberg Cubase, etc. State-of-the-art, +48 V-powered XENYX Mic Preamp comparable to stand-alone boutique preamps, Powerful Phones output with Level control and Direct Monitor select, Status, Signal and Clip indications for perfect overview USB port for connection and power, Free audio recording, editing and podcasting software plus 150 instrument/effect plug-ins downloadable at behringer website. Streams 2 inputs / 2 outputs with ultra-low latency to your computer, supporting Mac OS X and Windows XP or higher, Number of Tracks: 4