Great for stage, studio and everywhere in between\nThe MX series synthesizers feature carefully selected sounds taken from the Yamaha MOTIF XS. That powerful sonic palette is packed into sleek packages (available in 49- and 61-note versions) that fit today's on-the-go life style. But the MX Series aren't just synthesizers; they are designed to bridge the gap between hardware and software. By adding extensive audio and MIDI USB connectivity, advanced DAW and VST controller features and a suite of powerful music production software, the MX series integrate hardware reliability with controller flexibility to give you the best of both worlds at a ground breaking level of affordability.\n\nThe MX61 BU features over 1000 Voices from the legendary MOTIFseries plus deep computer and iOS integration in a compact, lightweight keyboard. MX61 BU adds a Class Compliant USB audio and MIDI driver plus unlocks the new FM Essential iOS synth app!