Casio
Casio CT-S1000V Review
A vocal-synthesizing keyboard that turns your melodies into singing voices
Scores
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 |
Our Verdict
The Casio CT-S1000V is unlike any other keyboard — its groundbreaking Vocal Synthesis technology lets you type in lyrics and have the keyboard sing them as you play, alongside 800 sounds and Bluetooth connectivity in a 4 kg battery-powered body.
Pros
- • Vocal Synthesis is genuinely unique — type lyrics via the app, and the keyboard produces singing vocal sounds as you play the keys
- • 800 onboard sounds powered by the AiX sound engine provide studio-quality tones across every genre
- • Battery powered (AA or USB) and only 4 kg — true anywhere portability for busking, travel, or outdoor jams
- • Bluetooth Audio + MIDI for wireless streaming and controller use with music production software
- • Line output for connecting to PA systems or amplifiers, making it stage-ready despite its compact size
Cons
- • Non-weighted 61-key keyboard is entirely unsuitable for developing piano technique — this is a synth and performance tool
- • 5W speakers are very quiet and lack depth, requiring external amplification for any performance context
- • No lesson function or structured learning features — this is designed for creative exploration, not piano education
The Casio CT-S1000V is one of the most creatively interesting keyboards released in recent years. The Vocal Synthesis technology is not a gimmick — it produces genuinely expressive vocal sounds that open up entirely new musical possibilities. Combined with 800 high-quality sounds from the AiX engine, Bluetooth connectivity, battery power, and a 4 kg body, it is an incredibly versatile creative tool. The critical caveat is that this is a synthesizer and performance keyboard, not a piano. The non-weighted keys, 61-key range, and 5W speakers all confirm that Casio designed this for a very different audience than their PX-S series. If you want to explore the boundaries of what a keyboard can do, the CT-S1000V is fascinating. If you want to learn piano, look at literally anything else in our database.
Technical Deep Dive
About the Key Action
The CT-S1000V uses a standard non-weighted synth action. The keys are light and springy with minimal resistance, designed for fast playing and comfortable extended sessions rather than simulating an acoustic piano. This type of action is perfectly suited for the keyboard's intended use cases — playing synth patches, triggering vocal synthesis, and performing electronic music. The light touch is actually an advantage for the rapid runs and chord stabs common in pop, electronic, and experimental music. But if you are looking for anything resembling a piano feel, this is not the instrument for you.
Who Is This Piano For?
The CT-S1000V is for musicians, producers, and creative experimenters who want a uniquely capable portable keyboard. If you are a singer-songwriter, electronic music producer, or live performer looking for sounds and capabilities that no other keyboard offers, the Vocal Synthesis feature alone makes it worth investigating. It is also a compelling option for content creators who want to add unique vocal textures to their music without hiring a vocalist. However, this is emphatically not a piano learning tool — the non-weighted keys and 61-key range make it unsuitable for anyone whose primary goal is learning traditional piano technique.
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 |
Recommended Accessories
Stand
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.
Frequently Asked Questions
Is the Casio CT-S1000V good for beginners?
It's decent for beginners. The Casio CT-S1000V scores 5.6/10 on our Beginner scale — it covers the basics but may lack some advanced learning features found in higher-scoring models.
Does the Casio CT-S1000V have Bluetooth?
Yes, the Casio CT-S1000V supports both Bluetooth MIDI and Bluetooth Audio, so you can connect wirelessly to apps and stream audio.
How heavy is the Casio CT-S1000V?
The Casio CT-S1000V weighs 4 kg (9 lbs). It scores 10/10 on our Portability scale. This is light enough to carry between rooms or to lessons.
Can I use headphones with the Casio CT-S1000V?
Yes. The Casio CT-S1000V has 1 headphone jack (3.5mm). It scores 6.5/10 on our Night Practice scale.
How many keys does the Casio CT-S1000V have?
The Casio CT-S1000V has 61 keys, which is smaller than a standard 88-key piano. This is fine for beginners and casual playing, but advanced pieces may require more range.
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