The Digidesign Digi002 is a 2U rack mount professional audio interface that uses Firewire connectivity to communicate with the computer. MIDI In/Out, as well as eight balanced analog inputs and eight balanced analog outputs - including four XLR inputs with 48V phantom power - provide a wide array of connectivity for the user. Additionally, the Digi002 can capture audio at a high quality (up to 24-bit/96kHz), making it perfect for those who wish to use it in a professional studio setting. This unit is in very good condition. NOTE.. will not work with newer computer operating systems.