Sound Generator | Piano sound | SuperNATURAL Piano Modelling |
Max Polyphony | Piano sounds | Limitless (solo playing using Piano category tones) |
| Other | 384 |
Keyboard | PHA50 Keyboard | 88 keys, wood & plastic hybrid structure |
| | Escapement |
| | Ivory and ebony feel |
Pedals | Damper pedal | Capable of continuous detection |
| Soft pedal | Capable of continuous detection, function assignable |
| Sostenuto pedal | Function assignable |
Acoustic projection speaker system | Cabinet & near-field speakers | 12 + 2.5cm x 2 (coaxial speaker) |
| Spatial speakers | 5 cm x 2 |
| Rated power output | 25W x 2 + 5W x 2 |
Headphones | Effect | Headphones 3D Ambience |
Touch Sensitivity | Key touch | 100 types, fixed touch |
| Hammer response | 10 types |
Tuning/Voicing | Master tuning | 415.3 - 466.2 Hz (adjustable in increments on 0.1 Hz) |
| Temperament | 10 types (Equal, Just Major, Just Minor, Pythagorean, Kirnberger I, Kirnberger II, Kirnberger III, Meantone, Werckmeister, Arabic), selectable temperament key |
| Effects | Brilliance, Ambience |
| Piano Designer | Lid |
| | Key Off Noise |
| | Hammer Noise |
| | Duplex Scale |
| | Full Scale String Resonance |
| | Damper Resonance |
| | Key Off Resonance |
| | Cabinet Resonance |
| | Soundboard Type |
| | Damper Noise |
| | Single Note Tuning |
| | Single Note Volume |
| | Single Note Character |
Internal Songs | Total 382 songs | Listening: 15 songs |
| | Ensemble: 30 songs |
| | Entertainment: 20 songs |
| | Do Re Mi Lesson: 30 songs |
| | Lesson: 287 songs (Scale, Hanon, Beyer, Burgmuller, Czerny 100) |
Data Playback | Playable Software | Standard MIDI Files (Format 0, 1) |
| | Audio File (WAV: 44.1 kHz, 16-bit linear format, MP3: 44.1 kHz, 64 kbps - 320 kbps, requires USB Flash Memory) |
Recorder | Recordable Software | Standard MIDI Files (Format 0, 3 parts, Approx. 70,000 notes memory) |
| | Audio File (WAV: 44.1 kHz, 16-bit linear format, requires USB Flash Memory) |
Bluetooth | Audio: | Bluetooth Ver 3.0 (Supports SCMS-T content protection) |
| MIDI: | Bluetooth Ver 4.0 |
Compatible Android / iOS Apps | Roland | Piano Every Day |
| | Piano Designer |
Convenient Functions | Metronome | (adjustable Tempo/Beat/Down beat/Pattern/Volume/Tone) |
| Registration | |
| Dual | |
| Split | |
| TwinPiano | (with Individual Mode) |
| Transpose | (in semitones) |
| Speaker volume and Headphones volume automatically select function | |
| Volume limit function | |
| Panel Lock | |
| Auto Off | |
Cabinet | Music rest | Tilt Adjustable (3 levels), with Music holders |
| Key cover | Slide type, with Keyboard Lid Switch and Classic Position |
Other | Display | Graphic OLED 128 x 32 dots |
| Connectors | DC In jack |
| | Input jacks: Stereo miniature phone type |
| | Output (L/Mono, R) jacks: 1/4-inch phone type |
| | USB Computer port: USB B type |
| | USB Memory port: USB A type |
| | Phones jack x 2: Stereo miniature phone type, Stereo 1/4-inch phone type |
| Power supply | AC adaptor |
| Power Consumption | 13W (12W–30W) |
| Accessories | Owner's Manual |
| | Leaflet “USING THE UNIT SAFELY” |
| | The collection of scores "Roland Piano Masterpieces" |
| | AC adaptor |
| | Power cord |
| | Headphone hook |
Size (including piano stand, with music rest) | Width | 1,377 mm / 54-1/4 inches |
| Depth | 468 mm / 18-7/16 inches |
| Height | 1,113 mm / 43-7/8 inches |
Size (including piano stand, when folding down the music rest) | Width | 1,377 mm / 54-1/4 inches |
| Depth | 468 mm / 18-7/16 inches |
| Height | 957 mm / 37-11/16 inches |
Weight (including piano stand) | HP704-CH, HP704-DR, HP704-LA, HP704-WH | 59.5 kg / 131 lbs 3 oz |