Yamaha PSR-4600

The Yamaha PSR-4600 is a professional-level arranger keyboard released in 1998. It was used by many professional musicians, including the likes of Herbie Hancock, George Duke, and Chick Corea. The PSR-4600 is a 61-key keyboard with a built-in sequencer, a 16-track recorder, and a variety of sound effects. It also has a built-in drum machine, a pitch-bend wheel, and a variety of real-time controllers. The keyboard also features a variety of preset sounds, including pianos, organs, strings, and brass. Additionally, the PSR-4600 has a variety of effects, including reverb, chorus, and delay.