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

PreSonus AUDIOBOX USB 96 2 Channel Audio Interface

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PreSonus AudioBox USB Audio Interface 2x2 MIDI Blue Tested

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PreSonus Audiobox USB 2-Channel 2x2 Audio Recording Interface Device Only

PreSonus AudioBox USB Audio Interface 2x2 MIDI Blue Tested

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