Casio Privia PX 870 [Detailed Review]

Casio Privia PX 870 Review

Why We Love Casio Privia PX 870 Digital Keyboard

Casio Privia PX 870 Review : Have you seen the price of PX 870? (If not, click here).

It's not a high end piano costing thousands of dollar and the price of PX 870 is absolutely genuine.

All Of The Privia Digital Piano series from Casio are simply awesome. All of the keyboards are well built and reflects the quality and detail Casio implemented on them.

And No Doubt PX 870 is one of the top notch model from Privia Series.

PX 870 features some amazing improvements (compared to its predecessor Casio PX 860) that are sure to help you get the most out of your playing. So let's see what it has to offer to us.

Casio Privia PX 870 Features

The PX-870 piano features a beautiful and elegant streamlined design with seamless sides.

The PX-870 comes with a matching wooden music rest and a sliding keyboard.

The piano is very compact which makes it perfect for a home of any size.

It is also available in your choice of colors (Casio Privia PX-870 White and Black) to match with any décor. And will sure enhance the beauty of your home.

Keys (Tri Sensor Technology)

Some of the coolest features I personally liked is the Tri-sensor scaled hammer action-II keyboard.

These keys feel very comfortable and very natural to play. They give you the authentic feel of playing an acoustic grand piano.

These keys are also accurately weighted and scaled just like a traditional acoustic piano. This means the heavier keys are on the bottom and the lighter keys are on top.

Tri Sensor Technology Casio Privia PX 870

Tri Sensor Keys Technology Of Casio Privia PX 870

As the name suggest “Tri-sensor” feature allows you to play repeated notes easily.

You don’t have to let the key raise all the way to the top before you reach rigor.

This feature is usually reserved for much more expensive instruments and is not common at all but Casio PX 870 has taken extra step to provide the best experience for the users.

The AiR Technology

The PX-870 is powered by Casio’s AiR technology which increases the quality of the sound exponentially.

This AIR feature delivers 22 beautiful instrumental tones including a stunning stereo grand piano sound.


The grand piano features damper resonance which simulates the entire body of the instrument including the strings.

Speaking of strings, the PX-870 also has a sympathetic string resonance.

This allows you to expose the harmonic connections between undammed strings. For example, if you want to play something like Debussy, who composed with string resonance in mind.

And PX 870’s strings resonance feels completely authentic. There is no difference at all.

The PX-870 features Casio’s new sound projection system.

Casio Privia PX 870 Sound Projection Technology

This powerful 40-watt speaker system includes speaker on the top panel and underneath, which makes it perfect for both the player and the listener with enriched sound.

There are many features that are great for practice as well as songwriting.

Casio PX-870 also has a built-in metronome which allows you to adjust both the meter and the tempo according to your need.

PX 870 also has a high quality inbuilt recorder. For recording your plays, there is a two channel MIDI recorder which lets you record left and right hand parts independently.

Closer Look At Casio CD 870

Another wonderful add on is the USB audio recorder. After finishing your composition, you can play it directly as WAV file and can transfer it to your computer via the USB.

There is also a USB port that lets you connect to transmit MIDI data back and forth between the PX-870 and your favorite recording software.

The class complaint USB offers a lots of connectivity option.

It does not matter whether you are connecting Android, iOS, MAC or PC and you don’t need to install any additional driver which saves a lot of headache for non-technical users.

What Makes It More Fantastic

If you are either giving or taking piano lessons, there is a feature in the PX-870 called duet mode which is extremely useful.

This feature divides the keyboard into two equal pitch ranges. So, two people either a teacher or a student or two students can be seated at the same keyboard each having the same ranges of pitches to play.

When you are in duet mode, the leftmost pedal functions as a sustain for the left side of the keyboard.

Casio PX 870 also has options for layering sounds together which opens an all-new dimension for creativity and experimenting with different sounds.

For example, If you want to have a combination of electric pianos and strings you just need to press the layer function button and its done. It can’t be more simple than this.

Here is a quick look at Casio PX 870 from the Brand Manager Of Casio Himself

The PX-870 also can be played along with a complete symphony orchestra using the concert play feature.

The recording of the built-in symphony orchestra also has a separate piano part which can be muted. You can either listen to the piano part or play along with it.

The PX-870 offers a 60 songs music library which is more than enough for learning, and also useful as background music. It also contains 256 notes of polyphony which means you can play difficult passages while holding down the sustain pedal reducing your fear of dropped notes.

From my experience I can say that Casio Privia PX 870 is a good piano in mid level price range. The tonal quality of the in-built speaker is very good and does not make any fizzy noises even when you play in full volume.

As a reviewer my first job is to look for the cons on any musical instruments. But in PX 870 there is nothing much to talk about by keeping cons in mind. Some of the disadvantages are that the sound of speakers are great but is not much loud. So you need external speakers when playing it in a large room or hall.

Another thing I noticed when playing is the Pedal Positions. They are bit high from where they were supposed to be. Another minor demerit is that when you connect your smart phone and tablets via USB port they does not charge.

The PX-870 is perfect for home, churches, schools and whenever you need uncompromising piano sound and feel. 

The Price Of PX 870 is a bit high but is worth your money and perfect for if you are serious and looking for a great keyboard for longer run.

That's all from Our End. 

Till Than

Keep playing and Spread Love.

My sign

This post was most recently updated on May 12th, 2019

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