Presonus Firestudio Project FireWire computer interface. Features XLR combi jacks that also accept 1/4 cables. Multiple inputs with High quality D/A converters. Up to 96k quality, with a build in midi interface. Solid medal build. Please check manufacturer website for computer system for compatibility. This unit can also be used as a standalone mixer, great way to add additional 8 inputs additional inputs to your setup. Includes power cable. Serious inquires.