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Casio Privia PX-870 – 88-Key Weighted Console vs Ktaxon 88 Key Piano Keyboard Digital Piano with 3

Updated August 2026 — Casio Privia PX-870 – 88-Key Weighted Console wins on sound and key feel, Ktaxon 88 Key Piano Keyboard Digital Piano with 3 wins on price.

The Casio Privia PX-870 offers superior sound quality and key action, making it ideal for serious musicians, while the Ktaxon provides a budget-friendly option for beginners.

Why Casio Privia PX-870 – 88-Key Weighted Console is better

Sound Quality

The PX-870 has a powerful 40W sound system compared to Ktaxon's less dynamic audio.

Key Action

The Tri-Sensor II Scaled Hammer Action provides a more authentic piano feel.

Learning Features

The PX-870 includes more extensive educational tools for practice.

Why Ktaxon 88 Key Piano Keyboard Digital Piano with 3 is better

Price

The Ktaxon is significantly cheaper at $259.99.

Portability

The Ktaxon is lighter and easier to move.

Demo Songs

The Ktaxon offers 80 demo songs for practice.

Overall score

Casio Privia PX-870 – 88-Key Weighted Console
88
Ktaxon 88 Key Piano Keyboard Digital Piano with 3
65

Specifications

SpecCasio Privia PX-870 – 88-Key Weighted ConsoleKtaxon 88 Key Piano Keyboard Digital Piano with 3
Price$999.00$259.99
Speakers4-speakerStandard
Polyphony25664
Weight48 lbs30 lbs
Voices18128

Dimension comparison

Casio Privia PX-870 – 88-Key Weighted ConsoleKtaxon 88 Key Piano Keyboard Digital Piano with 3

Design and Aesthetics

When it comes to design and aesthetics, the Casio Privia PX-870 stands out with its elegant console design. This digital piano features a sleek, modern look that is complemented by a sliding key cover, making it an attractive addition to any room. In contrast, the Ktaxon 88 Key Piano Keyboard has a more functional design, focusing on utility rather than visual appeal. With its ergonomic leather piano bench and dust cover, it's built for practicality, but it lacks the refined elegance of the Privia. The visual appeal can play a significant role in your choice, especially if you plan to display the instrument prominently in your home.

Sound Quality

The Casio Privia PX-870 offers a superior sound experience with its AiR Sound Source technology, delivering an immersive grand piano sound that captures rich detail. Its powerful 40W sound system, featuring a 4-speaker projection, fills spaces with depth and clarity. On the other hand, the Ktaxon model, while having a library of 128 premium voices, does not match the sound richness of the PX-870. It utilizes a 64-note polyphony to ensure clarity, but the overall sound experience may feel less dynamic compared to the high-fidelity audio produced by the Privia. For serious musicians, the sound quality can be a decisive factor.

Key Action and Feel

The key action and feel are crucial for any pianist, and here the Casio Privia PX-870 excels with its 88-key Tri-Sensor II Scaled Hammer Action. This technology provides an authentic touch with simulated ebony and ivory textures, allowing for superior dynamic control. In contrast, the Ktaxon features a semi-weighted keyboard designed for a lively response but lacks the weighted feel that many pianists prefer. The PX-870 captures the nuances of a performance with unparalleled speed and accuracy, making it a better choice for those who prioritize realism in their playing experience.

Learning and Practice Features

For learners and beginners, the Casio Privia PX-870 is built with a variety of educational features, including a duet mode, dual headphone jacks, and 60 built-in songs. These features not only facilitate practice but also enhance the learning experience. The Ktaxon also caters to beginners with 80 demo songs and an intuitive interface that integrates recording and MP3 playback. However, the depth of learning tools in the PX-870, such as the dual headphone jacks for shared practice, gives it an edge for those looking to develop their skills more thoroughly.

Connectivity and Technology

In terms of connectivity, the Casio Privia PX-870 offers class-compliant USB-MIDI, making it easy to connect with Mac, PC, iOS, or Android devices for digital music production. The Ktaxon also provides Bluetooth functionality, allowing users to stream music wirelessly and connect to apps for interactive learning. While the Ktaxon’s wireless capabilities are appealing, the simplicity and reliability of the PX-870's USB connection may be more beneficial for musicians who prefer a stable setup for recording and practicing.

Price and Value

The Casio Privia PX-870 is priced at $999.00, while the Ktaxon 88 Key Piano Keyboard is significantly cheaper at $259.99, making it about 74% less expensive. This substantial price difference makes the Ktaxon an attractive option for budget-conscious buyers or beginners who may not be ready to invest heavily in their first instrument. However, the value offered by the PX-870 in terms of sound quality, key action, and learning features may justify the higher price for more serious musicians or those who plan to use the piano extensively.

Brand Reputation and Sales Rank

Casio has a well-established reputation in the digital piano market, and the Privia PX-870 holds a sales rank of 14,122, reflecting its popularity among consumers. Meanwhile, the Ktaxon also has a competitive sales rank of 13,216, indicating a solid presence in the market. While both brands offer quality instruments, Casio's long-standing history and recognition in the music industry may lend additional credibility to the Privia’s quality and performance.

Which should you buy?

Choosing between the Casio Privia PX-870 and the Ktaxon 88 Key Piano Keyboard ultimately comes down to your personal needs and budget. The PX-870 is ideal for serious pianists looking for authentic feel, superior sound quality, and extensive learning features. However, if you're a beginner or a casual player seeking a budget-friendly option, the Ktaxon provides versatility and essential functions at a fraction of the price. Consider what aspects matter most to you in a digital piano, and let that guide your decision.