M-Audio Fast Track Midi Interface 4x4 Mobile USB Audio with Pre-Amps

M-Audio AU02-073B0 Fast Track Pro 4x4 Mobile USB Audio/MIDI Interface w Preamps

M-Audio Fast Track Pro USB Audio Interface 4x4 MIDI Powers On AU02-073B7

M-Audio Fast Track Pro Digital Recording Interface MIDI w/USB Cable No AcAdapter

M-Audio AU02-073B7 Fast Track Pro 4x4 Mobile USB Audio/MIDI Interface

Lexicon: Lambda USB Audio Interface

Tascam US144MKII USB 2.0 Audio MIDI Interface Bus-powered - TESTED

M-Audio Audiophile USB Audio Interface with 9V AC power supply and software.