MOTU MicroBook IIc Ultra Compact Personal Studio USB Interface (4-in / 6-out)
Musical Instruments:Pro Audio Equipment:Audio/MIDI Interfaces – MOTU MicroBook IIc Ultra Compact Personal Studio USB Interface (4-in / 6-out)
4-in
TASCAM US-4X4 4-in 4-out Audio MIDI Interface for Mac, Windows and iOS iPad
Musical Instruments:Pro Audio Equipment:Audio/MIDI Interfaces – TASCAM US-4X4 4-in 4-out Audio MIDI Interface for Mac, Windows and iOS iPad