Yamaha PSR-SQ16

Yamaha PSR-SQ16 is a digital keyboard synthesizer released by Yamaha in the late 1980s. It is a 16-voice polyphonic synthesizer with a built-in sequencer and a variety of sound-shaping features. It has been used by many professional musicians, including Herbie Hancock, Chick Corea, and Jean-Michel Jarre.

The PSR-SQ16 has a 61-key keyboard with velocity and aftertouch sensitivity. It has a built-in sequencer with 16 tracks and a variety of sound-shaping features, including a multi-mode filter, an arpeggiator, and a chorus/delay effect. It also has a built-in rhythm machine with a variety of preset rhythms. The PSR-SQ16 also has a variety of MIDI features, including MIDI In/Out/Thru ports, and a MIDI clock sync.