Home > Casio PX780 Review: An In-Depth Look At The PX780

Casio PX780 Review: An In-Depth Look At The PX780

Even at first glance, it’s easy to see that the Casio PX780 has a lot to offer. Powered by a sound engine that has three times the memory as it predecessor and Casio’s premier “AiR” (Acoustic and intelligent Resonator) sound source, the realism and quality of this digital piano‘s sound is remarkably similar to that of an acoustic piano.

Equipped with a Tri-sensor scaled hammer action keyboard, the key action of the PX780 is equally good, providing a realistic playing experience that rivals that of digital pianos well out of its price range. Combine these two important qualities with a nice amount of features and a highly portable weight (31.5 kilograms) and the PX780 is one of the very best options for anyone on a budget.

In this Casio PX780 review, we’ll take a look at the sound quality, key action, important features, and other pros and cons of the instrument.

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Features We Love

  • Great weighted key action
  • Backed by a Leader in Digital Pianos
  • Fantastic Sound Quality and Samples


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The biggest advantage of the PX780 is the factor of cost versus quality received. The PX780 has a lot to offer in terms of sound quality, key action, and helpful features. While there are digital pianos that can rival it in each regard, most all of them cost significantly more than the PX780. Features such as simulated ebony and ivory keys, 250 built in instrument tones, and 128 notes of polyphony are just a few of the advantages that PX780 has over most all of the competition in its price range.


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The main downside to the PX780 is it doesn’t look anything like an acoustic piano. Even though it sacrifices some portability, many people prefer the fuller, more traditional cabinet design found on acoustic pianos and (to a degree) on some of the more expensive digital pianos. Also, there have been some stories of people having trouble with the headphone jack not working properly.


Our Ratings

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Sound Quality of the PX780 

As mentioned, the PX780 has two main features that give its sound quality: a sound engine that has received a big upgrade in memory that allows it to store more of the nuances of an acoustic piano’s sound and an “AiR” sound source recording technology that best captures the tones taken from Casio’s best grand piano.

Considering these two things alone, the sound of the PX780 is highly realistic. To boost its quality even more, Casio added hammer response and string resonance simulation technology to the instrument, making it better able to replicate the sound of open strings when the dampers are raised by the pedals.

The PX780 is capable of 128 notes of polyphony, meaning that no notes will be cut off prematurely even on complicated pieces.

Having played the PX780 on numerous occasions, I can say with confidence that its sound will easily rival digital pianos that cost twice as much. The sound isn’t a perfect imitation of an acoustic piano, but no digital pianos are. It’s extremely close, and that’s all that is important.


Key Action and Realism of the PX780 

The keyboard of the PX780 is weighted and graded, giving it the correct response of different sized hammers rising and falling someone would experience if they were playing an acoustic piano.

Along with this, Casio has equipped the keyboard with Tri-sensor technology. Having three separate sensors in each key helps better determine the tone that should correspond with how hard the key is pressed, giving the keyboard much more expression than it would otherwise have.If you are still not pleased with the resistance the keyboard has, it can also be adjusted between three different settings.

Lastly, the keys of the PX780 are made from simulated ebony and ivory, meaning that they feel more natural, better absorb moisture, and produce much less unwanted noise than plastic keys.

casio privia px780 digital piano reviewOther Features and Specifications of the PX780 

Other important features of the PX780 to consider include its 250 instrument selection (most of which are very high quality), 180 drum patterns, MIDI and USB connectivity, a 17 track recorder for composing your own songs, an auto harmonize feature, the capacity for 10 user-uploaded songs, 6 demo songs, a 4 speaker 40W sound system, layering and splitting capability, an LCD user display screen, 86 “Jam Session” chord progression loops a three pedal unit, a headphone jack, a music stand, and a sliding key cover.

As mentioned, the PX780 weighs just 31.5 kilograms, making it decently portable. One thing to note is that the PX780 does not come with a bench. While this is a slight drawback, they can be purchased at a relatively low cost.


Casio PX780 Review – Final Thoughts

If you’re looking for high quality on a budget then the PX780 is our recommendation. The sound quality and key action of the PX780 are both very good, and the piano comes with more instrument sounds and features than digital pianos that cost much more. While it may not be as traditionally attractive as models with fuller cabinets, the smaller cabinet does help keep the weight down.

The PX780 a well-deserved reputation as offering more “bang for your buck” than most any digital piano on the market.

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