M-Audio Fast Track Pro USB Audio Interface in Great Condition This is a simple, reliable USB audio interface for recording music or podcasts on your computer. It lets you plug in microphones, guitars, or keyboards and record high-quality sound. Works with most recording software on Mac or PC. Works with a bus power using a standard USB Cable. It features: 2 inputs for mic, instrument, or line sources, phantom power, direct monitoring MIDI in/out for keyboards and controllers, headphone and main outputs for playback. Great for home studios, beginners, or anyone needing a solid recording interface.