Keyboard 88-key, Tri-sensor Scaled Hammer Action Keyboard II (Simulated ebony and ivory keys)Touch Response 3 sensitivity levels, OffSound Source AiR Sound SourceString Resonance, Damper Resonance, Damper Noise, Hammer Response, Lid Simulator, Key Off SimulatorMaximum Polyphony 256Tones 18 built-in tones: Grand Piano (Concert, Modern, Classic, Mellow, Bright), Elec Piano1, Elec Piano2, FM E. Piano, 60's E. Piano, Harpsichord, Vibraphone, Strings 1, Strings 2, Pipe Organ, Jazz Organ, Elec Organ 1, Elec Organ 2, Bass(LOWER)Layer/Split Layer(Excluding bass tones), Split(Low-range bass tones only)Digital Effects Hall Simulator (4 types), chorus (4 types), brilliance(-3 to 0 to 3), DSP (Preset for some tones)Built-in Songs 10 Concert Play, 60 (Music Library)Song Expansion 10 songs (max.) Up to approximately 90 KB/songLesson Function Part on/off (Lesson part: right hand/left hand)Metronome Beats: 0 to 9 (Tempo range: quarter note = 20 to 255)Recorder [MIDI Recorder] 2 tracks x 1 song, approximately 5,000 notes maximum, real-time recording/playback[Audio recording] Max. 99 songs approximately 25 min/song (44.1kHz WAV Format)Other Functions     Grand piano button x 2 (Concert, Modern), ELEC PIANO button    Slide-type keyboard cover    Auto Power Off: Off after approx. 4 idle hours (default setting)    Duet Mode    Octave shift: 2 octaves Key Transpose 2 octaves(-12 semitones - 0 - Plus 12 semitones)Tuning Control A4 = 415.5 Hz - 440.0 Hz - 465.9 HzPedals 3 pedals (damper, soft, sostenuto)* damper = seamless operationMIDI This product is not equipped with MIDI terminals. MIDI communication between the product and a computer is performed using the USB port.Speakers 12 cm x 2, 5 cm x 2 (2-Way 4-Speakers)Amp Output 20W + 20WInput/Output Terminals     Headphones (standard stereo jack) x 2    LINE OUT (L/MONO, R)    USB: type A, type B    External power (24V DC)　* USB cable (A-B type) required to use USB terminal for computer connection.Power Requirements AC adaptor: AD-E24250LWDimensions (W x D x H) 1,367 x 299 x 837 mm(Top board closed.)(w/o music stand, corner brackets)Weight 35.5 kg (w/o music stand)Body Color/Finish PX-860BK : Black wood tone finishPX-860BN : Oak tone finishPX-860WE : White wood tone finishIncluded Accessories AC adaptor (AD-E24250LW), score book, music stand, headphone hook