Digidesign 003 Rack Firewire Audio Interface in Good Condition. No software Included.

FireWire Audio Interface
8 redesigned discrete analog inputs (4 mic/line/instrument (DI) preamps; phantom power selectable in two channel increments)
Alternate Source Input for monitoring -10 dBV audio equipment (tape players, CD players, etc.) directly to the monitor outputs
8 discrete analog outputs, all balanced +4 levels, plus a separate balanced monitor output
Improved 24-bit/96 kHz converters
Monitor output includes dedicated volume control knob
2 Headphone outputs include dedicated volume control knobs
Word Clock
8 channels of ADAT optical I/O
2 channels of S/PDIF I/O
MIDI I/O - 1 input port/2 output ports (16 channels in/32 out)