Casio
PX-S3100
$800
700 sounds in Casio's slimmest body
10.0 Beginner 7.0 Night Practice 7.0 Portability 7.3 Touch Reality 7.2 Value
88 11.4kg
View Details Casio
PX-S5000
Premium Privia — wooden inserts in the slimmest body
MSRP
$1,100
Source: Sweetwater product page (manufacturer site unavailable) (2025-04-06)
88 Keys 11.5 kg smart scaled hammer action
Bluetooth
Scores
Our Verdict
If space is tight but you refuse to compromise on how the keys feel, the PX-S5000 puts wood-enhanced keys and battery power into a body barely thicker than a laptop bag.
Pros
- ● Smart Hybrid Hammer Action with wooden inserts in white keys
- ● Ultra-slim 102mm depth with battery power — unmatched portability at this level
- ● 256-note polyphony
- ● Bluetooth Audio + MIDI
- ● Multi-dimensional Morphing AiR sound engine
- ● Line out for performance use
Cons
- ● Only 18 sounds — limited variety for the price
- ● Single headphone jack (6.3mm only)
- ● No headphone spatial optimization
- ● No lesson function
- ● Only available in black
The PX-S5000 makes a very specific promise: the best key feel you can get in an ultra-slim, battery-powered piano. And it delivers. No other piano at 11.5 kg offers wooden key elements and this level of touch quality. The trade-off is that competitors at this price give you more sounds, better speaker power, and lesson functions. If portability and touch are your top priorities, nothing else comes close. If you'll mostly play at home and want more features, look at the Kawai ES920 or Roland FP-60X instead.
Technical Deep Dive
About the Key Action
The white keys have a core of real wood inside, which gives them a more substantial, natural feel compared to all-plastic keys. They feel warm under your fingers and respond smoothly to different touch pressures. The surface has a slight texture — like ivory on a traditional piano — so your fingers grip naturally without slipping. It's a noticeably better touch than Casio's standard slim-body pianos.
Who Is This Piano For?
You live in a small apartment or condo and need a piano that practically disappears when you're not playing it. Or you want to bring your piano to a friend's house, a community center, or even outdoors (it runs on batteries). You care about how the keys feel — a toy-like touch won't do — but you simply don't have room for a bigger instrument.
Specifications
| Keys | 88 |
| Key Action | Smart Scaled Hammer Action |
| Polyphony | 256 notes |
| Sounds | 18 |
| Weight | 11.5 kg |
| Speakers | 16W (×2) |
| Bluetooth | Audio + MIDI |
| Key Surface | Simulated Ebony Ivory |
| Sound Modeling | Multi-dimensional Morphing AiR |
| Headphone Jacks | 1 |
| Headphone Type | 6.3mm |
| Headphone Optimization | No |
| USB MIDI | Yes |
| Line Out | Yes |
| Lesson Function | No |
| App Connectivity | Yes |
| Recording | Yes |
| Metronome | Yes |
| Transpose | Yes |
| Layer / Split | Yes |
| Preset Songs | 60 |
| Battery | Yes |
| Foldable | No |
| Dimensions (W×D×H) | 1322×232×102 mm |
| Stand Included | No |
| Pedal Included | Yes |
Recommended Accessories
🪑
Stand
Stand not included (sold separately)
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.
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