M-Audio M-Track Plus 2 USB Audio / MIDI Interface - 2 Channel

M-Audio M-Track Duo USB-C Audio Interface 2-Channel - BROKEN PREAMPS

M-Audio M-Track Interface 2 Input Midi

M-Audio M Track Quad Digital Audio Interface - UNTESTED FOR PARTS

M-Audio Audiosport Quattro USB Audio Interface

PreSonus AUDIOBOX USB 96 2 Channel Audio Interface

PreSonus AudioBox 22VSL 2-In/2-Out Desktop USB Audio Interface | NOT TESTED

M-Audio MobilePre MKII USB Audio Interface - Tested & Working