Because of the small data size of MIDI information, the USB bandwidth won't make your MIDI tunes play any better. A big advantage to the USB MIDI keyboard port is that it has a higher bandwidth. Using the USB Port in Your MIDI Keyboard or Instrument.Ī USB MIDI port for connecting to your computer is becoming more and more common on many of today's MIDI keyboards and MIDI instruments. How to Configure Your MIDI Studio on a MAC