Easy USB connection and quality 24-bit A/D transfer works with most computer hardware and software Instrument/line and microphone inputs allow recording any audio source Pro Tools M-Powered Compatible Works With PC and MAC  Compatible with all major daws M-Audio Fast Track USB Features: Easy to connect and use Quality 24-bit/48kHz sound Dynamic microphone input (XLR) with gain control and signal-peak LEDs Switchable 1/4" instrument/line input Stereo 1/8" headphone output Stereo RCA analog output jacks Level control for headphones and main outputs USB bus-powered USB class compliant (Mac OS X 10.3.5 and higher) for plug-and-play operation ASIO and WDM support for Windows XP, compatible with GarageBand and most other music software Direct hardware monitoring for synchronized overdubs Mono switch sends input signal equally to left and right channels Plays standard audio files with variable speed playback Standalone operation featuring ReWire or works as VST plug-in More information: www(dot)sweetwater(dot)com/store/detail/FastTrackUSB--m-audio-fast-track-usb