M-Audio M Track Quad Digital Audio Interface - NOT WORKING FOR PARTS ONLY

PreSonus AudioBox iTwo 2x2 USB Audio Interface for Mac/PC/iOS

Universal Audio UAD-2 Satellite Quad Firewire DSP Accelerator

MACKIE XD-2 SPIKE USB AUDIO INTERFACE - EXCELLENT CONDITION

MACKIE ONYX SATELLITE FireWire Audio Interface - Excellent Condition With PSU

MOTU 828 Original (FireWire) Audio Interface

Focusrite Saffire LE FireWire audio interface

TASCAM US-428 USB Audio Interface