Korg SV-2S 73, Stage piano, 73 Velocity sensitive keys, RH3 keyboard with hammer mechanism, graduated weighted in four zones, Sound generation: EDS-X (Enhanced Definition Synthesis - eXpanded), Polyphony: 128 voices, Layer and split sounds with up to 3 timbres, Authentic electric piano, clav and organ sounds including the typical background noises, Vintage effects and speaker simulations, String, ensemble, brass, choir and synthesiser sounds, 4 Concert grand pianos + 2 pianos, 64 Favourite sounds can be saved, Effect section with real tube drive circuit, K-ARRAY loudspeaker system 2 x 2.5