The original, best-selling M-Audio® Fast Track® recording interfaces set the standard for quality and ease of use. Now the Fast Track C400 audio interface makes it simpler than ever to transform your ideas into professional-quality music. Capture amazing performances with built-in reverb and delay effects. Sound incredible with an all-new signal path that delivers pristine audio quality. Easily check your mixes on multiple sets of speakers using the built-in monitor management system. And enjoy the flexibility to record with your favorite music software - including Pro Tools. Fast Track C400 gives you the freedom to make music at the speed of your creativity. Features: • Ensure your recordings sound amazing with pristine, 24-bit/96 kHz audio fidelity • 4-input/6-output design lets you capture and play back multiple sources • Inspire great performances using the near-zero latency monitor mixer with built-in reverb and delay effects • Verify that your mixes sound great-and translate well-by connecting up to 2 sets of studio monitors (or 1 set of monitors and a subwoofer) and easily switching between them • Get immediate access to the most commonly used controls • Start making music immediately with the included Pro Tools SE music creation software • Enjoy the flexibility to record with Pro Tools* and other popular music software thanks to full ASIO 2.0, WDM, MME, and Core Audio support • Powered via USB - no power supply necessary