Casio
AP-S200
$1,099
A slim entry Celviano with Bluetooth, 40W speakers, and true three-pedal practice
9.9 Beginner 8.0 Night Practice 3.0 Portability 7.3 Touch Reality 7.8 Value
88 34 kg
Casio
Casio PX-850 Review
Casio's flagship Privia console with headphone optimization
Discontinued 88 Keys 34.3 kg tri sensor scaled hammer action ii Intermediate
MSRP
$900
Price last checked: 5/3/2026
Source: Spec page (2026-05-03)
No verified product page is available yet, so these buttons open retailer search results. Stock and listing status can change without notice.
Scores
How These Scores Were Calculated
Beginner
8.4| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 3.0 |
| Lesson Function | Yes | +1.5 |
| App Connectivity | No | +0 |
| Recording | Yes | +1 |
| Metronome | Yes | +0.5 |
| Transpose | Yes | +0.3 |
| Layer / Split | Yes | +0.3 |
| Preset Songs | 60 | +1.5 |
| Sound Variety | 18 sounds | +0.3 |
Night Practice
8.0| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 2.0 |
| Headphone Jacks | 2 | +2 |
| Headphone Type | 6.3mm, 3.5mm | +1.5 |
| Headphone Optimization | Yes | +1.5 |
| Key Action Quietness | tri sensor scaled hammer action ii | +0 |
| Volume Control | Yes | +1 |
| Bluetooth Audio | No | +0 |
Portability
3.0| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 5.0 |
| Weight | 34.3 kg | -1.5 |
| Width | 1393 mm | -0.5 |
| Battery | No | +0 |
| Foldable | No | +0 |
| Key Count | 88 keys | +0 |
Touch Reality
7.6| Factor | This Piano | Points |
|---|---|---|
| Key Action Quality | tri sensor scaled hammer action ii (grade 6) | +3.6 |
| Key Count | 88 keys | +1.5 |
| Polyphony | 256 notes | +1.5 |
| Sound Modeling | Multi-dimensional Morphing AiR | +0.5 |
| Key Surface | ivory-feel | +0.5 |
Our Verdict
The PX-850 sat at the top of Casio's Privia console lineup, combining the Tri-Sensor Scaled Hammer Action II with 256-note polyphony, a four-speaker system, ivory and ebony textured keys, and headphone spatial optimization — features that together delivered a convincingly immersive piano experience.
Pros
- • 256-note polyphony — no note dropout even during the most demanding passages
- • Ivory and ebony textured keys for authentic grip on both black and white keys
- • 40W four-speaker system creates a full, three-dimensional sound
- • Headphone optimization provides spatial sound imaging for immersive night practice
- • Complete console with built-in stand and three-pedal unit
- • Built-in lesson function with 60 preset songs for structured learning
Cons
- • No Bluetooth connectivity — wired USB MIDI only
- • No app connectivity — all adjustments through on-board interface
- • 34.3 kg weight means this stays wherever you put it
The PX-850 was Casio's statement that a console piano could punch above its price class. The 256-note polyphony put it on par with instruments costing significantly more, and the headphone optimization addressed a real need that most manufacturers ignored at this price point. The four-speaker system sounds excellent through open air, and the ivory-plus-ebony textured keys show attention to detail. The absence of Bluetooth and app connectivity is the predictable limitation for a 2012 model, but everything that matters for playing — touch, sound, polyphony, and practice versatility — is executed very well. An outstanding value on the used market.
Technical Deep Dive
About the Key Action
The Tri-Sensor Scaled Hammer Action II here gets the premium treatment with both ivory and ebony textured surfaces — the black keys have the same careful texturing as the white keys, which many competitors overlook. The three-sensor detection, graded weighting, and textured surfaces work together to create a playing experience that rewards careful, expressive touch. Combined with the headphone spatial optimization, you can hear the results of subtle dynamic changes even at 11 PM with headphones on — the action and the sound engine work together to make quiet practice feel worthwhile.
Who Is This Piano For?
You want the best Casio Privia console experience available in this era, and you practice with headphones as often as through speakers. The PX-850 was built for the player who takes both daytime and nighttime practice seriously. The headphone optimization changes headphone practice from a flat, between-your-ears experience to something that feels like sound is coming from around you — which makes a huge difference during long practice sessions. The 256-note polyphony means you can hold the sustain pedal through complex passages without losing notes, which matters once you're past the beginner stage. The ivory and ebony textured keys on both black and white keys give every finger a secure grip regardless of what you're playing.
Demo Video
Video coming soon for this model
We embed videos from manufacturer official channels and trusted reviewers. As soon as a suitable demo or review is available, it will appear here.
Specifications
| Keys | 88 |
| Key Action | Tri Sensor Scaled Hammer Action Ii |
| Polyphony | 256 notes |
| Sounds | 18 |
| Weight | 34.3 kg |
| Speakers | 40W (×4) |
| Bluetooth | No |
| Key Surface | Ivory Feel |
| Sound Modeling | Multi-dimensional Morphing AiR |
| Headphone Jacks | 2 |
| Headphone Type | 6.3mm, 3.5mm |
| Headphone Optimization | Yes |
| USB MIDI | Yes |
| Line Out | No |
| Lesson Function | Yes |
| App Connectivity | No |
| Recording | Yes |
| Metronome | Yes |
| Transpose | Yes |
| Layer / Split | Yes |
| Preset Songs | 60 |
| Battery | No |
| Foldable | No |
| Dimensions (W×D×H) | 1393×299×815 mm |
| Stand Included | Yes |
| Pedal Included | Yes |
Recommended Accessories
🪑
Stand
Stand included
A sturdy X-stand or furniture-style stand is essential if one isn't included.
🎧
Headphones
Closed-back headphones with good bass response make practice sessions more enjoyable.
🎹
Sustain Pedal
The included pedal is usually basic. A half-damper pedal upgrade is worthwhile for expressive playing.
💺
Bench
An adjustable-height bench helps maintain proper posture during long practice sessions.
Where to Buy
Casio PX-850 $900
No verified product page is available yet, so these buttons open retailer search results. Stock and listing status can change without notice.
How It Compares
PX-850 vs AP-S200
The AP-S200 edges ahead in Beginner. The PX-850 costs $199 less. Choose the AP-S200 if you prioritize beginner-friendly features.
Casio AP-S200 →PX-850 vs YDP-145
The PX-850 scores higher in Touch Reality, while the YDP-145 edges ahead in Beginner. The PX-850 costs $200 less. Choose the PX-850 if you prioritize realistic touch.
Yamaha YDP-145 →PX-850 vs SE-1
The PX-850 scores higher in Night Practice and Touch Reality, while the SE-1 edges ahead in Beginner. The SE-1 costs $201 less. Choose the PX-850 if you prioritize quiet practice.
Donner SE-1 →Frequently Asked Questions
Is the Casio PX-850 good for beginners?
Yes. The Casio PX-850 scores 8.4/10 on our Beginner scale, which means it has strong learning features like lesson modes, app connectivity, and built-in songs to help new players get started.
Does the Casio PX-850 have Bluetooth?
No, the Casio PX-850 does not have Bluetooth. You'll need a USB cable for app connectivity.
How heavy is the Casio PX-850?
The Casio PX-850 weighs 34.3 kg (76 lbs). It scores 3/10 on our Portability scale. This is a stay-in-place instrument — plan its location before setup.
Can I use headphones with the Casio PX-850?
Yes. The Casio PX-850 has 2 headphone jacks (6.3mm, 3.5mm). It scores 8/10 on our Night Practice scale. It also features headphone sound optimization for a more immersive experience.
How many keys does the Casio PX-850 have?
The Casio PX-850 has a full 88-key keyboard, the same as an acoustic piano. This gives you the complete range for any piece of music.
Who is the Casio PX-850 best for?
You want the best Casio Privia console experience available in this era, and you practice with headphones as often as through speakers. The PX-850 was built for the player who takes both daytime and nighttime practice seriously. The headphone optimization changes headphone practice from a flat, between-your-ears experience to something that feels like sound is coming from around you — which makes a huge difference during long practice sessions. The 256-note polyphony means you can hold the sustain pedal through complex passages without losing notes, which matters once you're past the beginner stage. The ivory and ebony textured keys on both black and white keys give every finger a secure grip regardless of what you're playing.
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Yamaha
YDP-145
$1,100
Yamaha's entry-level Arius — furniture-style simplicity
9.9 Beginner 8.0 Night Practice 3.0 Portability 6.2 Touch Reality 7.4 Value
88 38 kg
Donner
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Feature-packed console piano that punches above its price
10.0 Beginner 7.5 Night Practice 3.0 Portability 6.5 Touch Reality 7.9 Value
88 36 kg