Casio Privia PX-160BK 88-Key Full Size Digital Piano with Power Supply, Black Thanks to the new speaker system (2 x 8 watts) for maximum hearing pleasure when playing alone at home and the new line-out slot for simple connection to external loudspeakers (on stage, in a practice room or at home) The pure functions produced by the digital piano make its 18 authentic piano tones sound even better to the ear Launching into multi-dimensional AiR sound generation becomes a pleasure with the new PX-160 3 year manufacturer extended warranty.Hall Simulator/Reverb - 4 (Reverb) Chorus - 4 Brilliance - -3 ~ 0 ~ +3DPS - Yes (Preset for some tones).