Casio Privia PX-870 White
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The essentials to know about the Casio PX-870 piano
The essentials to know about the Casio PX-870 piano
- Authentic grand piano touch thanks to the 88-key Tri-Sensor Scaled Hammer Action II keyboard with simulated ebony/ivory key surfaces.
- “Morphing AiR” sound engine, 256-note polyphony and upward/downward projection via 4 speakers rated at 20 W + 20 W for a realistic immersive experience.
- Built-in progression tools: four-hands mode, step-by-step lessons, metronome and “headphone mode” with natural spatialisation.
- Advanced nuances (string and pedal resonances, lid simulator, Concert Play) for complete piano expressiveness.
Manufacturer Information
Casio
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Essential Information About the Casio PX-870 Piano
- Authentic grand piano touch thanks to the 88-key Tri-Sensor Scaled Hammer Action II keyboard with ebony/ivory imitation surfaces.
- "Morphing AiR" sound engine, 256-note polyphony, and upward/downward projection via 4 speakers at 20 W + 20 W for a realistic immersion.
- Built-in progression tools: four-hand mode, step-by-step lessons, metronome, and natural spatialization "headphone mode."
- Advanced nuances (string and pedal resonances, lid simulator, Concert Play) for complete piano expressiveness.
At the Heart of the Privia Range, a Living Room Cabinet Designed for Expression
Designed as the refined living room model of the Privia series, the PX-870 condenses Casio's expertise into an elegant cabinet format with a sliding lid. It is aimed at families, students, and discerning pianists who want a compact instrument offering credible touch, broad projection, and modern features without unnecessary complexity.
Keyboard Design
The PX-870 features an 88-key Tri-Sensor II graded hammer action mechanism, with three sensors per note to precisely capture velocity and rapid repetition. The ebony and ivory imitation surfaces provide natural grip. The adjustable sensitivity (3 levels) adapts the response to your playing, while the key release simulator and hammer response (4 levels + off) refine micro nuances of attack and decay.
Sound Quality
Powered by the "Morphing AiR" multidimensional technology, the PX-870 offers 19 tones including superb stereo-sampled grand pianos, a 256-note polyphony, and 20 W + 20 W amplification through a 4-speaker system with upward and downward sound projection. The string resonances (4 levels), damper/sostenuto pedal resonances (4 levels), key action noise, and lid opening simulator reproduce acoustic complexity. The headphone mode creates a natural stereo image for comfortable silent sessions.
Built-in Effects
- Venue simulator (4 types)
- Chorus (4 types)
- Adjustable brilliance
- DSP presets tailored to tones
Educational Functions
Designed for learning and progress, the PX-870 includes 60 songs with lesson function (right hand/left hand), a four-hand mode for student-teacher practice, a comprehensive metronome (1 to 9 beats, 20-255 BPM), and the ability to add 10 user songs. The CASIO MUSIC SPACE app supports practice and remote control.
Technical specifications
| Effects | Reverb, Chorus | Touch | Heavy |
| Arpeggiator | No | Split & layer | Partner mode, layer, split |
| Bluetooth | No | Max polyphony | 256 |
| Speaker diameter | 4,7" | USB to Host port | No |
| Number of speakers | 4 | Outputs | 3.5 mm headphone, 6.5 mm headphone |
| Velocity sensitive | Yes | Color | White |
| MIDI DIN I/O | No | Finishing | Matt |
| Number of keys | 88 | ||
| Keyboard | 88 keys with Tri-Sensor II scaled hammer action | DSP | preset according to the tones |
| 3 sensors per key, hammer response | 4 levels + off | Four-hand mode | yes |
| Key surfaces | imitation ebony and ivory | Built-in songs | 60 with lesson function (right hand/left hand/both) |
| Key release simulator | yes | User songs | addition of 10 songs (up to 90 KB/song) |
| Touch sensitivity | 3 levels | Metronome | 1 to 9 beats, tempo 20 to 255 |
| Sound engine | Morphing AiR (Acoustic and intelligent Resonator) | Application | CASIO MUSIC SPACE (learning and control) |
| Tones | 19 including stereo-sampled grand pianos | Modes | layer and split |
| Sound projection | upward and downward dispersion | Concert Mode | 10 orchestral recordings |
| String resonance | 4 levels + off | Transposition | -12 to +12 semitones |
| Damper and soft pedal resonance | 4 levels + off | Octave shift | -2 to +2 |
| Key action noise | yes | Fine tuning | 415.5 Hz to 465.9 Hz |
| Lid opening simulator | yes | Temperament | equal + 16 variations |
| Headphone mode | natural spatialization | Tuning control | yes |
| Hall simulator | 4 types | MIDI recorder | 2 tracks, 1 song, up to 5,000 notes |
| Chorus | 4 types | 44.1 kHz WAV audio recording to a USB flash drive | max. 99 songs, approx. 25 min/song |
| Brilliance | adjustable | ||
Customer reviews
What customers say
Summarized and selected by AI from recent customer reviews
Customers praised this digital piano for its excellent sound quality, realistic touch, and compact size. Reviews highlight "perfect sound rendering" and "convincing touch." Shoppers noted it's "true to description" with "good sensations" and offers "very good value for money." All reviews were highly positive.
Review highlights
- “Beautiful sound, convincing touch, minimal space... very good value for money.”
- “Very happy with this piano. Excellent sound quality.”
- “True to description, good sensations and perfect sound rendering”
Based on 6 reviews
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Very happy with this piano. Great sound quality
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Beautiful sound, convincing touch, minimal space... very good value for money.
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Consistent with the description, good sensations and perfect sound reproduction
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Quality product, as described
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Very nice piano to see in use
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Questions frequently asked
Does the Casio Privia PX-870 White have a weighted action?
The 88-key keyboard uses a Tri-Sensor II graded hammer mechanism, with three sensors per key and ebony and ivory textured surfaces. The sensitivity can be adjusted on three levels, while the hammer response offers four levels plus off.
Is it possible to play with headphones on this digital piano?
Two headphone outputs in 3.5 mm mini-jack format allow for silent practice, featuring a headphone mode that creates a natural stereo image.
How is the PX-870 amplified?
The amplification delivers 2 x 20 W via four 4.7-inch speakers. Sound is projected both upwards and downwards. The Morphing AiR sound engine offers 19 sounds and a maximum polyphony of 256 notes.
Can recordings be made directly to a USB stick?
WAV audio recording at 44.1 kHz to a USB stick is available, allowing up to 99 tracks of approximately 25 minutes each. A built-in 2-track MIDI recorder is also included, with a capacity of 5,000 notes per song.
What learning features are available?
Sixty songs with right hand/left hand lesson functions are built-in, with the option to add 10 user songs. Four-hand mode, a metronome from 20 to 255 BPM, and the CASIO MUSIC SPACE app support regular practice.



