Casio PX-870 Privia Digital Piano - Black Bundle vs MOSEN Digital Piano 88 Key Weighted Keyboard, Full
Updated August 2026 — Casio PX-870 Privia Digital Piano - Black Bundle leads on sound quality and features.
The Casio PX-870 offers superior sound quality and features, making it ideal for serious musicians, while the MOSEN Digital Piano is a budget-friendly option for beginners.
Why Casio PX-870 Privia Digital Piano - Black Bundle is better
Sound Quality
Casio has a more advanced sound projection system.
Features
Casio includes a built-in music library and MIDI recorder.
Build Quality
Casio's design is more premium and durable.
Why MOSEN Digital Piano 88 Key Weighted Keyboard, Full is better
Price
MOSEN is significantly cheaper.
Connectivity
MOSEN offers dual Bluetooth functionality.
Starter Kit
MOSEN includes a complete starter kit with accessories.
Overall score
Specifications
| Spec | Casio PX-870 Privia Digital Piano - Black Bundle | MOSEN Digital Piano 88 Key Weighted Keyboard, Full |
|---|---|---|
| Sound System | 40-watt, 4-speaker | Dual stereo speakers |
| Key Action | Scaled hammer-action | Fully weighted hammer-action |
| MIDI Support | Yes | Yes |
| Bluetooth | No | Yes |
| Warranty | Not specified | 1-year |
Dimension comparison
Overview of the Casio PX-870 and MOSEN Digital Piano
The Casio PX-870 is priced at $899.00, while the MOSEN Digital Piano is significantly cheaper at $227.98, making it about 75% less expensive. This drastic price difference reflects the features and performance levels of both instruments, catering to different types of pianists. The Casio PX-870 is designed for those seeking a premium digital piano experience, whereas the MOSEN offers a budget-friendly option for beginners.
Build Quality and Design
The Casio PX-870 features a stylish modern wooden cabinet that is both elegant and functional. Its design includes a sliding key cover that enhances its aesthetic appeal and protects the keys. In contrast, the MOSEN Digital Piano boasts a woodgrain finish that also aims to blend seamlessly into home interiors. While both pianos prioritize aesthetics, the Casio's premium build quality suggests it might withstand the test of time better than the more basic construction of the MOSEN.
Key Action and Feel
The Casio PX-870 is equipped with 88 scaled, weighted hammer-action keys that mimic the authentic feel of an acoustic piano. This feature is further enhanced with simulated ebony and ivory textures, providing an incredibly realistic playing experience. Conversely, the MOSEN Digital Piano also offers 88 fully weighted hammer-action keys, designed to replicate an acoustic piano's touch. While both instruments deliver a commendable key action, the enhanced features in the Casio may appeal to more experienced players looking for nuanced expression.
Sound Quality and Technology
The sound quality in the Casio PX-870 is impressive, with a new four-layer stereo grand piano sound and 18 additional tones. The 40-watt, 4-speaker system projects immersive audio that fills a room, making it suitable for performances. The MOSEN Digital Piano, while more affordable, utilizes a professional French DREAM sound source with 128 tones and 128-note polyphony. While the MOSEN delivers good sound quality for its price, the Casio's advanced sound projection and additional tones may provide a richer auditory experience for serious musicians.
Features and Functionality
The Casio PX-870 comes with a variety of features aimed at enhancing the playing experience, including a built-in music library of 60 songs, a two-track MIDI recorder, and a unique duet mode for teaching. It also has headphone connectivity that optimizes sound for quieter practice. The MOSEN Digital Piano, on the other hand, includes dual Bluetooth functionality for easy pairing with devices, a complete triple pedal system, and an intuitive LCD panel. While both instruments have valuable features, the Casio's educational tools and extensive song library may cater more to learners and dedicated players.
Connectivity Options
In terms of connectivity, the Casio PX-870 offers class-compliant USB connectivity, allowing easy connection to PCs, Macs, and mobile devices without requiring additional drivers. This feature is complemented by the free Casio Music Space app for enhanced control and learning. The MOSEN Digital Piano also provides MIDI connectivity and dual Bluetooth for seamless integration with technology, making it versatile for practice or performance. While both pianos are well-equipped for connectivity, the Casio's additional app support offers more options for users.
Warranty and Support
The MOSEN Digital Piano comes with a 1-year warranty, providing peace of mind for buyers. However, the Casio PX-870 does not explicitly mention a warranty in the provided data. This lack of information could be a concern for potential buyers who value after-sales support. Having a warranty can be an important factor, especially for beginners who might require assurance regarding their investment.
Which should you buy?
Choosing between the Casio PX-870 and the MOSEN Digital Piano ultimately comes down to your needs and budget. If you are a serious musician seeking a premium experience, the Casio PX-870 offers advanced features, superior sound quality, and a more authentic playing feel for $899.00. However, if you are a beginner or looking for an affordable option, the MOSEN Digital Piano at $227.98 provides a solid entry point into the world of digital pianos. Each piano has its strengths, making them suitable for different types of players.

