Casio Privia PX-870 Digital Paino review

Casio Privia PX-870: The Casio Company has its worldwide headquarters in Tokyo, Japan and has been producing digital pianos for over 30 years.

They also produce keyboards, pro synthesizers, as well as being famous for calculators, advanced digital cameras, sports & consumer watches, advanced digital technology for communication devices, and some very impressive new digital computer technology.

The best part about their products is that they are reasonable and are genuinely priced. The main reason behind this is that Casio produces their own computer chips and proprietary micro technology rather than buying it from outside, which eventually decreases their cost.

To sum up, this is one particular brand that is known for giving best quality products at less of price or let’s say at a very reasonable price that every Casio purchase is worth the deal.

The Privia PX-870 is a new addition to the acclaimed Privia line of digital pianos. Casio offers numerous high-quality pianos under this line, and Privia PX-870 is no different. It gives the same feel and experience of a true grand piano in a compact and stylish cabinet.

Casio Privia PX-870 Digital Paino

Power-packed with some high-quality features, it is one of the renowned instruments in the Privia range. Let’s discuss its features in detail:


Featuring a stylish and modern look, this piano has a slimline design which gives it a neat look. It is basically a furniture-style digital piano that compliments well with the home furnishings.

The wooden texture gives this piano a vintage look. The lid on the cabinet can be raised to allow the sound to come out of the top of the piano.

This piano is quite heavy and weighs around 75.6 lbs. However, the depth of the piano is only 11.7 inches, which means it can easily fit it in tight spaces.

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The instructions are well-written and assembling the piano is pretty simple and takes about just 30-40 minutes. The piano is available in both black and white wood finishes.


This digital piano is equipped with Casio’s well-known Tri-sensor Scaled Hammer Action Keyboard II. It features 32 black keys and 52 white keys; that makes for a total of 88 keys.

All the keys have ebony and ivory texture that gives a rich look to the piano. The graded hammer action with 88 keys lends a more realistic acoustic piano experience.

The keys are touch responsive with 3 sensitivity levels;  soft, sustain and sostenuto. The touch responsive means the volume will change depending on how hard or soft you hit the keys.

For easy access, the control panel is placed on the left side over the keyboard, which lets you adjust the volume and control sound functions, power button, playback, etc. The sliding key cover is a great addition as it protects the piano from dust or any damage.


It features 256-note polyphony, which is truly amazing in this price range. It is more than enough for a pianist to develop some complex musical pieces and experiment with a lot of sounds. The best part is that you’ll never be falling short of notes.


casio privia 870

PX-870 has 19 instrument Tones which include 5 grand pianos (concert, mellow, bright, modern, rock, jazz), 4 electronic pianos, 4 organs (pipe, jazz, and 2 electric organs), 2 strings, harpsichord, vibraphone, and bass (lower). All the sounds are truly rich and authentic.

It utilizes the String Resonance system with 4 different settings to simulate the resonance for each of the 88 keys. It also has a Lid Simulator with 4 different settings, that simulates the sound changes with opening or closing the lid of a grand piano.

Key Off simulator will change the tone of the sound in accordance to the speed of your fingers. With Hammer Response setting, you can change the time duration between when you play a note and when it actually sounds.

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Sound Quality

The Multi-dimensional Morphing AiR sound source gives a rich-detailed sound. The built in 40-watt, 4-speaker Sound Projection system with the Volume Sync EQ produces crisp and clear sound in any frequency.

The volume sync mode improves the sound at low volumes. It comes with ¼” jacks on the front panel, that can be used to connect any external speakers or headphone to practice without bothering others.

The wide sound projection of this system makes this piano perfectly suitable for classrooms, concert halls, etc, wherein you intend to address an audience.

Headphone Mode

PX-870 features a new automatic Headphone Mode that optimizes the piano sound in an expanding way, giving the player feel of an acoustic piano and rich sound experience. It also allows the player to practice even at night or any time of the day without bothering others.

Hall Simulator

Another addition is of concert hall simulation that recreates the same stereo effects and ambiance that you would experience in a concert hall. It gives you the same listening experience as an acoustic piano.

Music Library

It comes with a built-in Music Library that has 60 songs preloaded in it. Additionally, you can add ten of your own MIDI songs into its internal memory. So, you can learn or listen to your favorite tune play along with the songs with ease.

It comes with a USB type B port, via which you can connect your computer to download the tunes. It also supports USB pen drives for uploading songs.

It also has a built in function, Concert Play that lets you play along with recordings of a live orchestra. It sounds so real and beautiful that one is bound to fall in love with it.

Playing Modes

Split Mode lets you divide the piano into two different sections, thereby delivering two different sounds at the same time. As such, there is no split mode on this piano. But, by default Bass is the only tone that can be assigned to the left side of the keyboard. So, you can assign any other sound to the right side.

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Duet Mode divides the keyboard into two equal sections with similar octave ranges. This feature is extremely useful for teachers teaching the students the same exact notes. It eliminates the need for another piano.privia px 870

The dual mode can be used for layering two different sounds so that they produce a simultaneous sound. For example, you can play ‘piano and string’ sound simultaneously on one key. It also allows you to adjust the volume sound balance.

Performance Recording

With the two-track MIDI recorder, it allows you to record your own performance in multi-track. You can also record the performance as a stereo audio or.WAV file, via inserting the USB stick.


The PX-870 is compatible with Android and iOS devices and connects via class-compliant USB with no drivers or installations needed. It is also compatible with an app called “Chordana Play” for both IOS and Android. It lets the users exercise transpose and recording functions and view the pdf music sheets with their device.


This compact home-style digital piano is everything you need. With its remarkable sound and advanced features, it is definitely one of the best pianos available in the market.

It is a great piano for beginners as well as pro pianists alike. Given its performance to price ratio, this piano is completely worthy of your money.

Casio Privia PX-870 Digital Paino review


Casio offers numerous high-quality pianos under this line, and Privia PX-870 is no different. It gives the same feel and experience of a true grand piano in a compact and stylish cabinet.

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