Artesia PA-88H Electric Digital Piano / 88 Keys Features - Keyboard: 88 standard-size hammer keys with touch response -Voice: 16 Layered Acoustic Realism Instrument Samples -Polyphony: 64 Note Polyphony with sound effectsactive -Speakers: 15W x 2 -Controls: Master Volume, Demo, Reverb, Chorus, Metronome -Voice Control: Layer, Layer level, Keyboard sensitivity, Tuning -Touch Sensitivity: low, normal, or high -Metronome: On/off, Level, Time signature -Tempo: 20-280 -Pedal Response: Sustain -Effect: Reverb, Chorus -Demo Songs: 16 -Connections: USB to Host, MIDI OUT, Sustain Pedal, Line OutL/R, 1/4″ Headphone Jack, DC 12V Power - Power: adapter, battery (included) -Dimensions: 52.00 x 13.25 x 5.09 (in), 1326 x 338 x 129 (mm) -Weight: 28 lbs