Yamaha N-1X Avant Grand, Grand Clavinova Digital Piano, 88 Keys, Specialized Grand Piano Action Keyboard, 15 Sounds, 256 Voices polyphonic, Reverb, Brilliance, Intelligent Acoustic Control, Stereophonic Optimizer, Binaural Sampling (CFX Grand Voice only), Metronome, Transposer, 10 Preset songs, Internal 1 track recorder, MIDI In / Out, 2 Headphone connections, Aux in (stereo mini), L / L + R, R, Aux out L / L + R, R, USB to device, USB to host, 3 Pedals, GP Responsive Damper Pedal, Keyboard cover, Speaker: 6x 30W, Dimensions without music stand (W x D x H): 1465 x 1001 x 618 mm, Dimensions with music stand (W x H x D): 1465 x 1167 x 618 mm, Weight: 117 kg, Colour: Polished Ebony, Includes power supply