M-Audio Fast Track Pro USB Audio/MIDI Interface Phantom Power MIDI RCA

AVID M Box 4x4 Audio Interface

M-Audio MIDIsport 4x4 USB MIDI Interface 4x4 In/Out Studio Controller - used

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

Alesis Control Hub USB MIDI Interface with Audio Output

PreSonus Firebox Firewire Audio Interface With Power Adapter and MIDI Cables

PreSonus AudioBox 44VSL 4x4 Audio Interface No Power Supply or USB Cable - Used

Avid Fast Track Duo USB Audio Interface