Yamaha PSR-OR700

The Yamaha PSR-OR700 is a professional arranger keyboard designed for live performance. It is a 61-key instrument with a wide range of features, including a built-in sequencer, a variety of sounds, and a range of effects. It has been used by many professional musicians, including the likes of John Legend, Alicia Keys, and Maroon 5.

The PSR-OR700 works by allowing the user to create and arrange music in real-time. It has a variety of sounds, including pianos, organs, strings, and drums, as well as a range of effects such as reverb, chorus, and delay. It also has a built-in sequencer, allowing the user to record and playback their own compositions. Additionally, the PSR-OR700 has a range of performance features, such as a pitch bend wheel, a modulation wheel, and a range of assignable knobs and buttons.