Check the listing for details. Bitwig Connect 4/12 4x12 USB-C Audio Interface. Condition: New. Listed at 599.00 USD. A Powerful Desktop Interface for Synth Devotees Bitwig's Connect 4/12 is a 4-in/12-out USB-C audio interface with a convenient desktop-style form factor that puts total studio control right at your fingertips. Sound designers and synth enthusiasts will immediately note this interface’s dedicated 3.5mm jacks, which facilitate a straightforward connection to modular systems. Of course, MIDI connectivity is also on hand for your keyboard controllers and other similar hardware. The Connect 4/12 puts you firmly in the driver’s seat, thanks to its full-featured monitor controller capabilities, and you get a touch-sensitive knob for tactile control over an endless range of MIDI parameters. Say goodbye to tedious pointing and clicking, courtesy of the Connect 4/12’s handy DAW transport control.