Casio Privia PX-870 – 88-Key Weighted Console vs MOSEN MUSIC MOSEN Beginner Digital Piano 88 Keys Weighted
Updated August 2026 — Casio Privia PX-870 – 88-Key Weighted Console wins on sound and key feel, MOSEN MUSIC MOSEN Beginner Digital Piano 88 Keys Weighted wins on portability and value.
The Casio Privia PX-870 offers superior sound quality and features, making it the better choice for serious musicians, while the MOSEN Beginner Digital Piano is a great budget-friendly option for beginners.
Why Casio Privia PX-870 – 88-Key Weighted Console is better
Sound Quality
Casio has a powerful 40W sound system compared to MOSEN's 30W.
Key Feel
Casio's Tri-Sensor II action provides a more realistic touch.
Learning Features
Casio includes advanced learning tools and features.
Why MOSEN MUSIC MOSEN Beginner Digital Piano 88 Keys Weighted is better
Price
MOSEN is significantly cheaper at $249.99.
Portability
MOSEN is lightweight and easy to transport.
Beginner Focus
MOSEN has features specifically designed for beginners.
Overall score
Specifications
| Spec | Casio Privia PX-870 – 88-Key Weighted Console | MOSEN MUSIC MOSEN Beginner Digital Piano 88 Keys Weighted |
|---|---|---|
| Price | $999.00 | $249.99 |
| Speakers | 40W | 30W |
| Keys | 88 Weighted | 88 Weighted |
| Learning Tools | 60 Songs | 110 Songs |
| USB-MIDI | Yes | Yes |
Dimension comparison
Overview of the Casio Privia PX-870 and MOSEN Beginner Digital Piano
The Casio Privia PX-870 and MOSEN Beginner Digital Piano are both excellent choices in the digital piano market, but they cater to different user needs. The Casio Privia PX-870 is priced at $999.00, while the MOSEN Beginner Digital Piano comes in significantly cheaper at $249.99, making it about 75% less expensive. This price difference highlights the distinct audiences each product is targeting—professional musicians and serious learners versus casual players and beginners.
Sound Quality Comparison
When it comes to sound quality, the Casio Privia PX-870 excels with its powerful 40W sound system and advanced AiR Sound Source technology. This provides an immersive grand piano sound with features like damper and string resonance, creating a rich auditory experience. The PX-870's 4-speaker system ensures excellent sound projection throughout any room. In contrast, the MOSEN Beginner Digital Piano has a solid sound output with 2x15W speakers, making it suitable for home use, but it lacks the depth and complexity of sound that the PX-870 offers. For those prioritizing sound quality, the Casio's capabilities stand out significantly.
Key Feel and Action
The key feel of a digital piano is crucial for both practice and performance. The Casio Privia PX-870 features an 88-key Tri-Sensor II Scaled Hammer Action keyboard, designed to replicate the touch of an acoustic piano. This provides superior dynamic control and a realistic playing experience, thanks to its ebony and ivory textures. On the other hand, the MOSEN Beginner Digital Piano also offers an 88-key fully weighted, hammer-action keyboard. While it does allow for adjustable touch sensitivity, it may not deliver the same level of nuance and responsiveness found in the PX-870. For dedicated pianists, the PX-870's key action is likely to be more satisfying.
Learning Features
For learners, the Casio Privia PX-870 is built with several educational tools, including a duet mode, dual headphone jacks, and 60 built-in songs. It also features a 2-track MIDI recorder and Concert Play with orchestral backing tracks, making it an excellent choice for those looking to improve their skills. Meanwhile, the MOSEN Beginner Digital Piano is tailored for beginners, offering lesson modes, 110 demo songs, and an LCD display that shows chords for easy practice. While both instruments cater to learners, the PX-870 provides a more robust suite of features for serious study.
Design and Portability
In terms of design, the Casio Privia PX-870 boasts a stylish console look with a sliding key cover, making it a beautiful addition to any home decor. Its modern aesthetic is complemented by its powerful sound capabilities. Conversely, the MOSEN Beginner Digital Piano is constructed from lightweight ABS material, making it easy to transport and suitable for a variety of settings, including home and studio use. It comes with a sturdy X-shaped stand, making it practical for those who need a portable solution. The choice here largely depends on whether you prioritize aesthetics or portability.
Connectivity Options
Connectivity is an essential feature in today’s digital pianos. The Casio Privia PX-870 offers class-compliant USB-MIDI connectivity, allowing for easy plug-and-play with Mac, PC, iOS, or Android devices. This feature enables users to record and create music seamlessly. The MOSEN Beginner Digital Piano also includes USB-MIDI functionality, making it compatible with computers and devices for enhanced versatility. Both products offer adequate connectivity, but the Casio's additional features may appeal more to advanced users looking to integrate with various music software.
Price and Value
The price difference is stark: the Casio Privia PX-870 is priced at $999.00, while the MOSEN Beginner Digital Piano is available for $249.99. This makes the MOSEN about 75% cheaper, which makes it an attractive option for casual players or beginners who may not want to invest heavily at the start. However, the PX-870's higher price reflects its premium features, sound quality, and build, making it a better long-term investment for serious musicians. The value proposition really depends on the user’s commitment level to learning and performing music.
Which should you buy?
When deciding between the Casio Privia PX-870 and the MOSEN Beginner Digital Piano, consider your specific needs and budget. If you are a serious musician or someone looking to invest in a high-quality instrument with superior sound, key feel, and learning features, the Casio Privia PX-870 is worth the higher price of $999. Conversely, if you are a beginner or someone seeking a more portable and budget-friendly option, the MOSEN Beginner Digital Piano at $249.99 offers great value for its features. Ultimately, your choice should align with your skill level, musical ambitions, and financial considerations.

