Casio
CT-S400
$269
Casio CT-S400: a clear digital piano review for practice and comparison
10.0 Beginner 6.0 Night Practice 10.0 Portability 0.8 Touch Reality 6.2 Value
61 4 kg
Casio CT-S1000V Review
Casio CT-S1000V: a clear digital piano review for practice and comparison
61 Keys 4 kg Non-weighted
Bluetooth
Beginner
Scores
Where to Buy
MSRP
$549
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
5.6| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 3.0 |
| Lesson Function | No | +0 |
| App Connectivity | No | +0 |
| Recording | Yes | +1 |
| Metronome | Yes | +0.5 |
| Transpose | Yes | +0.3 |
| Layer / Split | Yes | +0.3 |
| Preset Songs | 0 | +0 |
| Sound Variety | 800 sounds | +0.5 |
Night Practice
6.5| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 2.0 |
| Headphone Jacks | 1 | +1 |
| Headphone Type | 3.5mm | +0.5 |
| Headphone Optimization | No | +0 |
| Key Action Quietness | Non-weighted | +1.5 |
| Volume Control | Yes | +1 |
| Bluetooth Audio | Yes | +0.5 |
Portability
10.0| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 5.0 |
| Weight | 4 kg | +3 |
| Width | 930 mm | +1 |
| Battery | Yes | +1.5 |
| Foldable | No | +0 |
| Key Count | 61 keys | +0.5 |
Touch Reality
2.8| Factor | This Piano | Points |
|---|---|---|
| Key Action Quality | Non-weighted (grade 1) | +0.6 |
| Key Count | 61 keys | +0.2 |
| Polyphony | 256 notes | +1.5 |
| Sound Modeling | AiX Sound Source | +0.5 |
| Key Surface | plastic | +0 |
Casio CT-S1000V review verdict
This Casio CT-S1000V review reads the published specifications from a comparison-first point of view: touch, sound, practice fit, value, and limits.
Casio CT-S1000V is best read as a compact keyboard-style piano for beginners and returning players. 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: 61 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 and Bluetooth.
- • Use case: Its best fit is home practice and stage use.
Cons
- • Main limit: the need for room-filling speaker sound.
- • Stand cost and compatibility are separate checks.
- • Nearby current models may offer a better match for some players.
Casio CT-S1000V is a compact keyboard-style piano that makes most sense when its strengths are matched to the right practice situation. The useful points are 61 keys, weighted hammer action, 256-note polyphony, 5W speakers, and a weight of 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 CT-S1000V evaluation points
Casio CT-S1000V key action and touch
Casio CT-S1000V 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 plastic key surface is a useful comfort detail. The specification lists 256-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 CT-S1000V is for
Casio CT-S1000V is most relevant for beginners and returning players. The main use case is home practice and stage use. Strengths: portability and easy placement. Limits: the need for room-filling speaker sound. Buyers comparing digital pianos should also check the stand, pedal, headphone jack, app support, and local availability before deciding.
Casio CT-S1000V sound and speakers
Casio CT-S1000V offers 800 sounds and 5W 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 and Bluetooth.
What to know before buying the Casio CT-S1000V
Before buying Casio CT-S1000V, compare it with nearby alternatives on touch, sound, portability, and value. A stand may need to be budgeted separately. Pedal needs should be checked before purchase. It is still worth comparing as a current buying candidate. For searchers looking for a Casio CT-S1000V 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
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 | 61 |
| Key Action | Non-weighted |
| Polyphony | 256 notes |
| Sounds | 800 |
| Weight | 4 kg |
| Speakers | 5W (×2) |
| Bluetooth | Audio + MIDI |
| Key Surface | Plastic |
| Sound Modeling | AiX Sound Source |
| Headphone Jacks | 1 |
| Headphone Type | 3.5mm |
| Headphone Optimization | No |
| USB MIDI | Yes |
| Line Out | Yes |
| Lesson Function | No |
| App Connectivity | No |
| Recording | Yes |
| Metronome | Yes |
| Transpose | Yes |
| Layer / Split | Yes |
| Preset Songs | 0 |
| Battery | Yes |
| Foldable | No |
| Dimensions (W×D×H) | 930×258×83 mm |
| Stand Included | No |
| Pedal Included | No |
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
$549
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.
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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 CT-S1000V is an 800-voice, battery-powered 61-key portable that features AiX Vocal Synthesis, which produces a singing voice simply from playing the keys once you have entered lyrics. Across specialist review sites, many reviewers praise the depth and expressive range of a vocal synthesis engine no rival offers, along with a synth-style keybed that is good for the price, while others repeatedly qualify their praise over the usability of the lyric-input app and the fact that the voice is, ultimately, artificial.
Praised most often
-
A wide expressive range from the vocal synthesis
On Vocal Synthesis, reviewers focus on the fact that you can finely adjust syllable speed, voice character, age, gender and more, making it "easy to build a vocoder-like singing voice with rhythm and expression." The variety of voices, from choral types to a classic vocoder, is also noted.
-
A synth-style keybed that is good for the price
Reviewers describe it as "a good synth action for this price range" and note that "the keytops have a moderate texture that gives the fingers grip." The verdict is that the light, springy touch is easy to play.
-
A rich set of voices and arranger features
Beyond the 800 voices, the inclusion of an arpeggiator, a master EQ, effects, many built-in rhythms and accompaniment features, and a multi-track MIDI recorder is rated as equipment that lets you play around broadly.
-
Light and easy to take out, with wireless connectivity
At around 4 kg it is light and runs on batteries, so reviewers say it is easy to take outdoors or to a light stage gig. It supports Bluetooth audio / MIDI and has a line output, which is seen as giving it a fairly broad range of uses.
Common cautions and criticisms
-
The usability of the lyric-input app
A recurring point is that lyric creation is done in a phone app, requires a wired connection, and that changes are not reflected on the spot. Reviewers also say the instrument's own controls are hard to follow, so it takes effort to get the most out of the features.
-
The singing voice is, ultimately, artificial
The common takeaway is that "it is not a sound you would mistake for a human voice" and that "it is clearly synthetic." Some also note that, while the lyrics are intelligible, the words can become unclear on certain phrases.
-
Languages are limited to English and Japanese
International reviews note that the only languages available for lyrics are English and Japanese, which is a constraint for users in other language regions.
-
A light 61-key keybed not meant for piano practice
Because the keybed is a light, non-weighted 61-key, the standard observation is that it is not suited to learning piano technique. The speakers are also modest, and some say a line output or an external amp is the realistic choice in front of any sizeable audience.
By source
-
Specialist review sites
Specialist sites such as MusicTech, Sound on Sound and MusicRadar tend to enjoy the distinctive direction of vocal synthesis while clearly framing the controls and the app-dependent lyric editing as weak points.
-
Music-production media reviews
Production-leaning media tend toward an experimental take — that the artificial voice can be turned to advantage with the right ideas, and that, for the right use, it can earn a spot in the corner of a studio.
Net take
On balance, the CT-S1000V is a model that draws attention in international reviews as a one-off, with the unusual character of a "singing keyboard." The depth of its vocal synthesis and the breadth of its voices and arranger features are the central plus points, making it worth trying for anyone who wants to widen their palette of material for songwriting. Because lyric editing assumes an app and takes effort, however, and the keybed is a light 61-key, anyone wanting to learn piano fundamentals will find an instrument with a hammer keybed, such as a Privia, to be a realistic alternative to compare.
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
- Manufacturer official
How the 5-axis scores are calculated
We do not aggregate user reviews or star ratings (see methodology for why).
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