Yamaha YDP-S165 WH Arius, Digital Piano, 88 Weighted keys with hammer action (Graded Hammer, GH3) and synthetic ebony and ivory key tops, 10 Sounds (incl. high-end sound from the Yamaha CFX concert grand), 192-Voice polyphony, Effects (Reverb: 4 types, Stereophonic Optimizer, Intelligent Acoustic Control), Midi-recording (2 tracks), Functions: Dual, Duo mode, Metronome, Transpose (-6 - +6), Tuning (414.8 - 466.8 kHz), Pedal: Sustain (half pedal), Sostenuto, Soft, USB to Host connection, 2 x Headphone output (6.3 mm jack), Speaker: 2 x 20 W, Dimensions (W x D x H): 1357 x 422 x 849 mm (height incl. music stand 1003 mm), Weight: 42 kg, Colour: White, Includes power supply unit (PA-300C) and music booklet