The item condition: Fully functional Includes keyboard, music sheet holder, power supply, floppy disk, the stand and the bag. Description The Yamaha PSR-550 is a 61-key digital keyboard synthesizer released in the early 1990s. It was used by many professional musicians, including the likes of Herbie Hancock, George Duke, and Chick Corea. The PSR-550 features a wide range of sounds, including piano, organ, strings, brass, and percussion. It also has a built-in sequencer, allowing users to record and playback their own compositions. Additionally, the PSR-550 has a variety of effects, including reverb, chorus, and delay.
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