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Casio Privia PX-870 Digital Piano (Black) PX870BK

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Multi-dimensional Morphing AiR Sound Source 

Privia's piano tones are sourced from recordings of world famous concert grand pianos. Casio applies advanced technologies to optimise pianists' expressive capabilities by faithfully reproducing their individual keystroke characteristics and the changes in sound quality and volume produced by an acoustic piano with the passage of time.

*AiR = Acoustic and Intelligent Resonator

Sound Projection

A newly developed sound system projects sound upward and downward like a grand piano. The sound is not confined inside the instrument, but passes out naturally through the speakers to realise a deep listening sensation like that produced by a grand piano.

Tri-Sensor Scaled Hammer Action Keyboard II 

Three advanced Casio sensors accurately detect keystroke speeds and timing and employ them to realise subtle sounds and performance characteristics that might be expected only from an acoustic piano. The action mechanism emulates the deadweight of piano hammers to realise a natural touch like that of a grand piano, moreover, with heavier strokes required to reproduce low notes and a progressively lighter touch employed as the tones move up the scale.

Simulated Ebony and Ivory Feel Keys

Simulated ebony and ivory keys inhibit finger slippage due to sweat and produce the sensation of a comfortable fingertip fit that lasts even through extended sessions.

Concert Play

High-quality audio data recordings of live orchestra performances are installed. Pianists can play along with the recordings and enjoy the feeling of participating in a magnificent performance. Musical scores of the concerts are bundled.

Headphone Mode

Headphone Mode automatically creates a spacious sonic image while wearing headphones, recreating the feeling of playing an acoustic piano. With the experience of wearing headphones significantly enhanced, pianists can enjoy playing naturally and feeling the sound field of a traditional grand piano.

Volume Sync EQ

Volume Sync EQ is especially useful for quiet playing at home and other times when you want to keep the speaker volume low. This function balances the sound at low volumes by adjusting the sound quality in the low and high registers. The result is a constantly pleasant playing experience, no matter where the volume is set.

Chordana Play for Piano

Compatibility with the Chordana Play for Piano app adds the ability to perform such operations as display of built-in music scores in PDF format and piano tone colour setting. When connected to a smartphone or tablet display, the app makes a variety of functions available for piano performances.

5 Year Warranty

All Casio keyboards, digital pianos and synthesizers purchased from an authorised Australian retailer are backed by a 5 year warranty.*

Conditions apply.


Number of Keys - 88
Key Action - Tri-sensor Scaled Hammer Action Keyboard II
Key Surface Finish - Simulated ebony and ivory keys
Touch Sensitivity - 3 sensitivity levels, off
Sound Source - Multi-dimensional Morphing AiR
Polyphony [Maximum] - 256 [Audio player occupies 2]
Number of Built-in Tones - 19
Stereo-Sampled Piano Tones - Yes
Layer - Yes [Excluding bass tones]
Split - Yes [Low-range bass tones only]
Hammer Response - Yes [4 levels]
String Resonance - Yes [4 levels]
Damper Resonance - Yes [4 levels]
Lid Simulator - Yes [4 levels]
Key Off Simulator - Yes
Key Action Noise - Yes [On/Off]
Damper Noise - Yes [On/Off]
Hall Simulator - 4
Chorus - 4
Brilliance - Yes [-3 ~ 0 ~ +3]
DSP - Yes [Preset for some tones]
Concert Play - 10 songs
Concert Play Controller - Start/Stop
Concert Play Mode - Listen/Lesson/Play
Music Library [Number of Built-in Songs] - 60
Song Expansion [User Songs] - 10 songs [Max.]. Up to approximately 90 KB/song
MIDI Recorder - 2 Tracks, 1 Song
Approx Data Capacity - Approx 5,000 notes total
Audio Recording / Playback - Max. 99 songs, 25 min/song [44.1kHz WAV Format]
Sound Projection - Yes
Headphone Mode - Yes
Volume Sync EQ - Yes
Connection to Chordana Play App - Yes
Lesson Function - Part ON/OFF
Lesson Part Select - Right Hand, Left Hand
Duet Mode - Yes
Octave Shift ± 2 Octaves
Metronome - 0 to 9 beats; tempo range 20 to 255
Pedals -Built-in 3 pedals [Damper, Soft, Sostenuto]
Half-Damper Pedal Operation - Yes [Seamless Recognition]
Key Transpose - 2 Octaves [-12 semitones ~ 0 ~ +12 semitones]
Tuning Control - A4 = 415.5Hz ~ 440.0Hz ~ 465.9Hz
Scale Function | Number of Preset Temperaments - Equal Temperament + 16 Variations
Operation Lock - Yes
GRAND PIANO button - Yes
ELEC PIANO 1 button - Yes
Slide-type keyboard cover - Yes
Auto Power Off - Yes [Default approx after 4 idle hours]
PHONES/OUTPUT - 2 [Stereo standard jack]
Connector for 3-Pedal Unit - Yes
USB to Host - Yes
USB to Device - Yes
Speakers - 12 cm x 2, 4cm x 2
2-way, 4-speakers - Yes
Amplifier - 20W + 20W
Dimensions [W x D x H] - 1393 x 299 x 801 mm [w/o music stand]
Weight - 34.3kg [w/o music stand]
AC adaptor
Music Stand
EAN Code - 4971850362364
More Information
SKU 930010000359
Manufacturer CASIO
Last Updated 2020-09-25 05:53:29
Production Status 2

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