M-Audio Fast Track Pro Digital Recording Interface

M-AUDIO FAST TRACK PRO 4X4 USB AUDIO INTERFACE XLR/TRS W/PHANTOM POWER

PreSonus AudioBox iTwo Portable 2x2 USB 2.0 Audio Interface for Mac/PC/iPad

Behringer FCA610 Firepower Audio Interface - Power Tested - No Power Supply

M-Audio Fast Track Pro USB Mobile MIDI Interface 2-Channel Preamp w/ Power & USB

M-Audio Fast Track Pro Digital Recording Interface, NO AC*

M-Audio Fast Track C400 USB Audio Interface, MIDI/S/PDIF, 2 Mic/Line Inputs

TASCAM US-1641 USB Audio/MIDI Interface 16x4 96kHz (Untested No Power Cord)