Check the listing for details. M-Audio Fast Track Ultra Interface - Used, No Accessories. Condition: Used, Made in China. Listed at 44.99 USD. Powers on, not fully tested. The M-Audio Fast Track Ultra Interface is a USB audio interface designed for home recording. Made by M-Audio, this device is perfect for musicians looking to easily connect their instruments and microphones to their computer for professional-level recordings. With its simple setup and high-quality sound, it is a popular choice for those looking to create music in their home studio. Made in China, this interface is a reliable and versatile tool for any music production project.