$800
Casio PX-S3000: a clear digital piano review for practice and comparison
10.0 Beginner 7.0 Night Practice 5.5 Portability 7.3 Touch Reality 6.9 Value
88 11.2 kg
Casio PX-S3100 Review
Casio PX-S3100: a clear digital piano review for practice and comparison
88 Keys 11.4 kg Smart Scaled Hammer Action Intermediate
In our TOP 10 Portability #8
Scores
Where to Buy
MSRP
$999
Retail prices change, so check current pricing at retailers.
These buttons open retailer search results and may include affiliate tracking where available. Stock and listing status can change without notice.
How These Scores Were Calculated
Beginner
10.0| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 3.0 |
| Lesson Function | Yes | +1.5 |
| App Connectivity | Yes | +1.5 |
| Recording | Yes | +1 |
| Metronome | Yes | +0.5 |
| Transpose | Yes | +0.3 |
| Layer / Split | Yes | +0.3 |
| Preset Songs | 60 | +1.5 |
| Sound Variety | 700 sounds | +0.5 |
Night Practice
7.0| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 2.0 |
| Headphone Jacks | 2 | +2 |
| Headphone Type | 3.5mm, 6.3mm | +1.5 |
| Headphone Optimization | No | +0 |
| Key Action Quietness | Smart Scaled Hammer Action | +0 |
| Volume Control | Yes | +1 |
| Bluetooth Audio | Yes | +0.5 |
Portability
7.0| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 5.0 |
| Weight | 11.4 kg | +1 |
| Width | 1322 mm | -0.5 |
| Battery | Yes | +1.5 |
| Foldable | No | +0 |
| Key Count | 88 keys | +0 |
Touch Reality
7.3| Factor | This Piano | Points |
|---|---|---|
| Key Action Quality | Smart Scaled Hammer Action (grade 6) | +3.6 |
| Key Count | 88 keys | +1.5 |
| Polyphony | 192 notes | +1.2 |
| Sound Modeling | Multi-dimensional Morphing AiR | +0.5 |
| Key Surface | simulated-ebony-ivory | +0.5 |
Casio PX-S3100 review verdict
This Casio PX-S3100 review reads the published specifications from a comparison-first point of view: touch, sound, practice fit, value, and limits.
Casio PX-S3100 is best read as a portable digital piano for players who already practise regularly. This review looks at weighted-key feel, sound, practice features, value, and realistic comparison points instead of treating the spec sheet as advertising copy.
Pros
- • Key count: 88 keys, a clear basis for digital piano comparison.
- • Touch: weighted hammer action, so the review stays focused on practice feel.
- • Quiet practice: Headphone practice support.
- • Connectivity: USB MIDI, Bluetooth and app support.
- • Use case: Its best fit is home practice and stage use.
Cons
- • Main limit: the need for a furniture-style living-room instrument.
- • Stand cost and compatibility are separate checks.
- • Nearby current models may offer a better match for some players.
Casio PX-S3100 is a portable digital piano that makes most sense when its strengths are matched to the right practice situation. The useful points are 88 keys, weighted hammer action, 192-note polyphony, 16W speakers, and a weight of 11.4 kg. In a digital piano review, those details matter more than broad claims about being the best digital piano overall. For home practice and stage use, this model can be a sensible candidate if the layout and feature set match the way the instrument will actually be used. It is still worth comparing as a current buying candidate. The fairest comparison is with models in the same price and use class, where touch, speakers, headphone practice, and connectivity can be judged side by side.
Casio PX-S3100 evaluation points
Casio PX-S3100 key action and touch
Casio PX-S3100 uses a weighted hammer action. For a digital piano with weighted keys, the important question is not only whether the keys are heavy, but whether they help steady daily practice. The simulated ebony ivory key surface is a useful comfort detail. The specification lists 192-note polyphony; that is enough for ordinary pieces, while more layered playing or heavy pedal use benefits from a higher number. This makes the key action a practical comparison point rather than a decorative specification.
Who the Casio PX-S3100 is for
Casio PX-S3100 is most relevant for players who already practise regularly. The main use case is home practice and stage use. Strengths: portability and easy placement. Limits: the need for a furniture-style living-room instrument. Buyers comparing digital pianos should also check the stand, pedal, headphone jack, app support, and local availability before deciding.
Casio PX-S3100 sound and speakers
Casio PX-S3100 offers 700 sounds and 16W speakers. That is the sound side of the review: enough variety for practice, but the real experience depends on speaker power, headphone use, and the room where it will be played. The headphone output supports quiet practice. For lessons, apps, or recording workflows, the useful connectivity is USB MIDI, Bluetooth and app support.
What to know before buying the Casio PX-S3100
Before buying Casio PX-S3100, compare it with nearby alternatives on touch, sound, portability, and value. A stand may need to be budgeted separately. A damper pedal is included, though some players may still want a fuller pedal unit. It is still worth comparing as a current buying candidate. For searchers looking for a Casio PX-S3100 review, the practical conclusion is to treat it as one candidate in a digital piano comparison, not as a universal answer for every player.
Demo Video
Source:
Merriam Music Watch on YouTube ↗
Specifications
| Keys | 88 |
| Key Action | Smart Scaled Hammer Action |
| Polyphony | 192 notes |
| Sounds | 700 |
| Weight | 11.4 kg |
| Speakers | 16W (×2) |
| Bluetooth | Audio |
| Key Surface | Simulated Ebony Ivory |
| Sound Modeling | Multi-dimensional Morphing AiR |
| Headphone Jacks | 2 |
| Headphone Type | 3.5mm, 6.3mm |
| Headphone Optimization | No |
| USB MIDI | Yes |
| Line Out | Yes |
| Lesson Function | Yes |
| 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 |
Spec terms are explained in the glossary. Glossary →
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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.
Where to Buy
MSRP
$999
Retail prices change, so check current pricing at retailers.
These buttons open retailer search results and may include affiliate tracking where available. Stock and listing status can change without notice.
How It Compares
PX-S3100 vs ES120
The PX-S3100 scores higher in portability and piano-like touch, while the ES120 is stronger in quiet practice. Choose the PX-S3100 if portability matters most.
Kawai ES120 →PX-S3100 vs FP-E50
The PX-S3100 scores higher in portability and value for money, while the FP-E50 is stronger in piano-like touch. Choose the PX-S3100 if portability matters most.
Roland FP-E50 →PX-S3100 vs DGX-670
The PX-S3100 scores higher in portability, piano-like touch and value for money. The DGX-670 costs $150 less. Choose the PX-S3100 if portability matters most.
Yamaha DGX-670 →Related Guides
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Read more →What reviewers say online
A synthesis of recurring points from price-comparison sites, Amazon reviews, music-store staff videos and forum threads. Not a star-rating average — we read across multiple reviews and pulled out the points that came up repeatedly.
The Casio PX-S3100 is a feature-rich model that packs 700 sounds and auto-accompaniment into the slim Privia-series body. Across specialist review sites and retailer assessments, the recurring message is that the depth of its sounds and effects is a strength in this class and that it is slim and portable yet rich in features, while some reviewers also point to the playing feel of the compact keybed and the touch-panel ergonomics.
Praised most often
-
Depth of sounds and effects is a strength
The majority view is that the wealth of 700 sounds and effects (DSP) stands out in this price class. Reviewers single out that the grand piano alone has several variants — geared toward pop, jazz, rock and more — making it broadly usable in an arranger-like way.
-
Bluetooth audio and a dedicated app supported
It supports Bluetooth audio, and reviewers welcome that pairing it with the dedicated app (Music Space) enables score display, a piano roll, and more. Some note that playing along to songs on a phone is also easy to do.
-
Among the slimmest in its class, with strong portability
The common view is that it is among the slimmest digital pianos on the market and light and easy to carry. Some also note that, since it runs on batteries and has a line output, it is easy to take to gatherings or onto a stage.
-
Practical equipment such as recording and two headphone jacks
It supports MIDI and WAV audio recording and has two headphone jacks (3.5mm / 6.3mm), which reviewers rate as handy for keeping records and for duet or teaching situations.
Common cautions and criticisms
-
The keybed gives ground to same-price-class rivals
Reviewers repeatedly note that while the playing feel of the keybed puts up a good showing, the compact build constraints make it less natural than other models in the same price class. Some say the touch is a touch light and that it falls short for anyone wanting solid resistance.
-
The touch panel is awkward to operate
Reviewers note that, because of the minimalist design, calling up intricate functions takes effort. They especially call for physical buttons when they want to operate quickly on stage.
-
The glossy finish and the bass are weak points
Reviewers note that the glossy black top surface shows fingerprints readily. Although the speakers have been improved, some also say they would like a little more bass.
-
With so many sounds, usefulness varies
The framing is that while the piano and electric piano voices are good, not all of the 700 sounds are practical. The point is that it is best not to mistake a high count for quality.
By source
-
Specialist review sites
Outlets such as MusicRadar and PianoDreamers tend to rate the wealth of sounds and effects and the portability highly while calmly framing the playing feel of the compact keybed and the ergonomics of the minimalist UI.
-
Retailer reviews and videos
Retailer channels such as Merriam Music highlight the practical assessment that the balance of an easy-to-play piano keybed, a full grand piano tone, and features makes it strong value for money.
-
Head-to-head comparisons (vs PX-S1100 / CDP-S360 and others)
In play-offs, the framing is that it beats the PX-S1100 on sound count and Bluetooth audio, and that it is close to the CDP-S360 in breadth of sounds but surpasses it in keys and sound source.
Net take
On balance, the PX-S3100 suits players who want to keep slimness and portability while also reaching for breadth of sounds and connectivity. A rich set of sounds and effects, Bluetooth audio and the dedicated app, and the coherence of the slim body are the central points of praise. If you prioritize key feel above all, other models in the same price class or a model a step up; if you want straightforward piano performance over features, the PX-S1100 becomes a realistic comparison candidate.
We do not compute a numeric star average. The points below are recurring themes we identified by reading across multiple reviews.
Sources & transparency
This page is written by the operator, who has run the piano-learning site Piano Juku since 2017, based on published manufacturer specifications. We are not a retailer or tied to any maker — every model is compared by the same criteria. About the operator
- Last verified
- Data referenced from
- Published spec sheet
How the 5-axis scores are calculated
We do not aggregate user reviews or star ratings (see methodology for why).
Spot a mistake or have a question about what's on this page? Let us know and we'll review it.
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Casio PX-S3100