M-Audio Fast Track Pro is a professional portable audio and MIDI interface for Mac or Windows laptops and desktops. Using the convenience and reliability of the USB bus, Fast Track Pro provides your computer with an exceptionally flexible audio interface with unparalleled routing and versatility, while supporting resolutions up to 24-bits and sample rates up to 96kHz. Fast Track Pro also provides 16 MIDI input/output channels. All of this is packed into a compact, rugged and lightweight portable unit. Simply connect to your computer with a single USB cable. No card installation, tools or bulky external power supply required. Fast Track Pro is specially designed for home studio and portable studio enthusiasts. This simple-to-use digital interface provides excellent sound quality and features two high-quality microphone/instrument preamplifiers. The front-panel XLR/TRS combo inputs accept balanced or unbalanced line-level or instrument-level signals, and feature dedicated low-cut switches to filter out unwanted low frequencies.