88 keys (PHA-4 Standard Keyboard: with Escapement and Ivory Feel) Key Touch Sensitivity: 5 types, fixed touch Keyboard Mode: Whole, Dual, Twin Piano Damper (capable of half pedal when optional pedal connected) Optional pedal DP-10 (capable of half pedal) SuperNATURAL Piano Sound Max. Polyphony: 96 4 Piano tones, 2 E.Piano tones, 9 other tones Stretched Tuning (only for piano tones): Always On Master Tuning 415.3 Hz–466.2 Hz (adjustable in increments of 0.1 Hz) Transpose -6–+5 (in semitones) Effects: Ambience, Brilliance, Only for Piano Tones: String Resonance (Always On), Damper Resonance (Always On), Key Off Resonance (Always On) Metronome Tempo Quarter note = 10–500, Beat 0/4, 2/2, 3/2, 2/4, 3/4, 4/4, 5/4, 6/4, 7/4, 3/8, 6/8, 8/8, 9/8, 12/8, 10 levels Volume Bluetooth MIDI Ver 4.0 Internal Songs: 17 Listening songs, 15 Tone Demo songs 12 cm (4-3/4 inches) x 2, 6 W x 2 Rated Power Output Connectors: DC In jack, USB Computer port: USB B type, Update port: USB Type A, Phones jacks (usable as output jack) x 1: Stereo miniature phone type English, Volume Control (with the speaker volume and the headphones volume automatically select function), Auto Off Power Supply AC Adaptor, 4W (3–6 W) Dimensions: 1,284 (W) x 258 (D) x 140 (H) mm, 12.6kg without stand, 1,284 (W) x 298 (D) x 929 (H) mm, 20.0kg with stand