The ProKeys 88 is the premium digital stage piano that doubles as a great Midi controller. It's loaded with large realistic samples14 world-class instruments in all including split/layer capabilities. We paired those great sounds with an 88-key hammer-action keyboard delivering a realistic feel to satisfy the most demanding pro. The ProKeys 88 is also a great master controller keyboard including a built-in USB MIDI interface for easy direct connection to your PC or Mac MIDI In and Out jacks