korg sp280bk 88-key digital piano with speaker korg sp-280 88-key digital piano with stand black. the korg sp-280 accurately recreates the experience of playing a concert grand piano. it provides a playing feel that's incredibly close to that of an acoustic piano, from delicate pianissimo to dynamic fortissimo. the sp-280 contains 30 richly expressive and high-quality sounds, including grand piano, electric piano, organs, clavs, harpsichord, strings, and more. the optional pedal unit (pu-2) provides soft and sostenuto pedals in addition to the included damper pedal, completing the true piano playing experience.