Korg SP170-88 - Key Digital Piano, White Keyboard: 88 notes (A0-C8), Natural Weighted Hammer Action (NH) Maximum Polyphony: 120 notes /60 notes (Stereo) Sounds: 10 Total; Piano x 2; E. Piano x 2; Harpsichord; E. Clavichord; Vibraphone; Pipe Organ; Electric Organ; Strings Effects: Reverb; Chorus (Effect depth is preset for each sound) Demo Songs: 10 songs (1 per sound)