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Fast Track USB
Full Features
easy to connect and use
professional 24-bit/48kHz sound
dynamic microphone input (XLR) with gain control and signal LEDs
switchable instrument/line input (1/4”)
stereo headphone output (1/8”)
stereo output jacks (RCA)
level control for headphones and main outputs
USB bus-powered
compatible with GarageBand and most other music software
USB class-compliant (OS X 10.3.5 and higher) for plug-and-play operation
direct hardware monitoring for synchronized overdubs
mono switch sends input signal equally to left and right channels
includes GT Player Express software:
• professional effects
• guitar amp and stomp box modeling
• plays standard audio files with variable speed playback
• standalone operation, ReWire or VST plug-in
http://www.m-audio.com/products/en_us/FastTrackUSB.html