88-key, Tri-sensor Scaled Hammer Action Keyboard II, Simulated ebony and ivory keys
Touch Response
3 sensitivity levels, Off
Sound Source
AiR Sound Source
Damper Resonance, Hammer Response, Damper Noise
Maximum Polyphony
19 built-in tones: Grand Piano (Concert, Mellow, Bright), Modern Piano, Rock Piano, Jazz Piano, Elec Piano 1, Elec Piano 2, 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 (Excluding bass tones), Split (Low-range bass tones only)
Digital Effects
Reverb (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) songs
Song Expansion
10 songs (max.) Up to approximately 90 KB/song
Lesson Function
Part ON/OFF (Lesson part: Right hand/Left hand)
Beats: 0 to 9 (Tempo range: quarter note = 20 to 255)
MIDI Recorder
2 tracks x 1 song, approximately 5,000 notes maximum, real-time recording/playback
Other Functions
  • Connection to App
  • GRAND PIANO button, ELEC PIANO 1 button
  • Duet Mode
  • Slide-type keyboard cover
  • Auto Power Off: Off after approx. 4 idle hours (default setting)
  • Octave shift: ±2 octaves
Key Transpose
2 octaves (-12 semitones ~ 0 ~ +12 semitones)
Tuning Control
A4 = 415.5 Hz ~ 440.0 Hz ~ 465.9 Hz
3 pedals (damper, soft, sostenuto)
This product is not equipped with MIDI terminals. MIDI communication between the product and a computer is performed using the USB port.
12cm x 2
Amp Output
8W + 8W
Input/Output Terminals
  • PHONES/OUTPUT x 2 (Stereo standard)
  • USB: type B
  • External power (12V DC)

* USB cable (A-B type) required to use USB terminal for computer connection.

Power Requirements
AC Adaptor: AD-A12150LW
Dimensions (W x D x H)
1,391 x 299 x 798 mm
(w/o music stand)
31.5kg (w/o music stand)
Body Color/Finish
PX-770BK: Black wood tone finish
PX-770WE: White wood tone finish
PX-770BN: Oak tone finish
Included Accessories
AC Adaptor (AD-A12150LW), Music Stand
EAN code
PX-770BK: 4971850362302
PX-770WE: 4971850362326
PX-770BN: 4971850362319


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