Yamaha YPT-300AD Full-Size 61-Key Touch-Sensitive Keyboard Touch-sensitive 61-key portable digital keyboard with 482 instrument voices and 106 accompaniment styles Yamaha Education Suite 5 offers 102 built-in songs separated into left- and right-hand parts for easy learning Grand Piano voice simulates warm, rich tones of a genuine piano; General MIDI and XGlite compatible Sound effects kit with nearly 50 effects; 32-note polyphony; pair of ported 4.72-inch stereo speakers MIDI in/out connections and sustain pedal jack; measures 37.25 x 5.06 x 14.62 inches (W x H x D); 1-year parts warranty