Kurzweil
KA-120
$500
Kurzweil KA-120: a clear digital piano review for practice and comparison
8.6 Beginner 5.5 Night Practice 5.5 Portability 5.3 Touch Reality 6.5 Value
88 12 kg
Kurzweil KA90 Review
Kurzweil KA90: a clear digital piano review for practice and comparison
88 Keys 13.5 kg Graded Hammer Action Beginner
Scores
Where to Buy
MSRP
$400
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
8.6| 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 | 50 | +1.5 |
| Sound Variety | 20 sounds | +0.5 |
Night Practice
5.5| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 2.0 |
| Headphone Jacks | 1 | +1 |
| Headphone Type | 6.3mm | +1 |
| Headphone Optimization | No | +0 |
| Key Action Quietness | Graded Hammer Action | +0.5 |
| Volume Control | Yes | +1 |
| Bluetooth Audio | No | +0 |
Portability
4.5| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 5.0 |
| Weight | 13.5 kg | +0 |
| Width | 1340 mm | -0.5 |
| Battery | No | +0 |
| Foldable | No | +0 |
| Key Count | 88 keys | +0 |
Touch Reality
5.3| Factor | This Piano | Points |
|---|---|---|
| Key Action Quality | Graded Hammer Action (grade 5) | +3 |
| Key Count | 88 keys | +1.5 |
| Polyphony | 128 notes | +0.8 |
| Sound Modeling | No | +0 |
| Key Surface | plastic | +0 |
Kurzweil KA90 review verdict
This Kurzweil KA90 review reads the published specifications from a comparison-first point of view: touch, sound, practice fit, value, and limits.
Kurzweil KA90 is best read as a portable digital 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: 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.
- • Use case: Its best fit is home practice.
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.
Kurzweil KA90 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, 128-note polyphony, 30W speakers, and a weight of 13.5 kg. In a digital piano review, those details matter more than broad claims about being the best digital piano overall. For home practice, 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.
Kurzweil KA90 evaluation points
Kurzweil KA90 key action and touch
Kurzweil KA90 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 128-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 Kurzweil KA90 is for
Kurzweil KA90 is most relevant for beginners and returning players. The main use case is home practice. Strengths: a more piano-like touch. 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.
Kurzweil KA90 sound and speakers
Kurzweil KA90 offers 20 sounds and 30W 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.
What to know before buying the Kurzweil KA90
Before buying Kurzweil KA90, 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 Kurzweil KA90 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 | 88 |
| Key Action | Graded Hammer Action |
| Polyphony | 128 notes |
| Sounds | 20 |
| Weight | 13.5 kg |
| Speakers | 30W (×2) |
| Bluetooth | No |
| Key Surface | Plastic |
| Sound Modeling | — |
| Headphone Jacks | 1 |
| Headphone Type | 6.3mm |
| Headphone Optimization | No |
| USB MIDI | Yes |
| Line Out | Yes |
| Lesson Function | Yes |
| App Connectivity | No |
| Recording | Yes |
| Metronome | Yes |
| Transpose | Yes |
| Layer / Split | Yes |
| Preset Songs | 50 |
| Battery | No |
| Foldable | No |
| Dimensions (W×D×H) | 1340×340×120 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
$400
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
KA90 vs Allegro IV
The KA90 and Allegro IV score very similarly across the main review axes. The KA90 costs $99 less.
Williams Allegro IV →KA90 vs KA-120
the KA-120 is stronger in portability. The KA90 costs $100 less. Choose the KA-120 if portability matters most.
Kurzweil KA-120 →KA90 vs Prestige
the Prestige is stronger in piano-like touch. The KA90 costs $100 less. Choose the Prestige if piano-like touch matters most.
Alesis Prestige →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 Kurzweil KA90 is an entry-level 88-key portable from Kurzweil, a brand known for its professional sound engines. Across reviews abroad, some praise the honest piano tone and the simple control panel for the price bracket, while others prominently flag the quality of the non-piano voices and the polish of the internal sound engine as falling short, so satisfaction is somewhat divided.
Praised most often
-
Honest piano tone for the price bracket
On Kurzweil's piano tone, the prevailing comments are that it 'holds its own within the price bracket' and is 'enough for practice'. The view is that the brand's reputation on the sound-engine side comes through to some degree even on an entry model.
-
Simple, easy-to-understand control panel
There are several notes that the control panel is straightforward and that you 'never get lost'. Some cite the fact that it is hard to get confused by superfluous features as a benefit for beginners.
-
Graded hammer-action touch
It is an 88-key keyboard with a change in weight, rated as a reasonable touch for entry-level use. Some comparison comments call it slightly light, and some take that to mean it stays comfortable over long stretches.
Common cautions and criticisms
-
Non-piano voices feel underdeveloped
The piano tone is not bad, but the other voices are repeatedly flagged as 'rough' or 'underwhelming'. The standard takeaway is that expecting a varied palette of voices is likely to leave you disappointed.
-
No Bluetooth or app integration
The unit does not support Bluetooth and has no dedicated app integration. There are notes that it is not suited to anyone who wants to connect wirelessly to lesson material on a phone or tablet.
-
Overall satisfaction is somewhat divided
There are many other strong options in the same price bracket, and there are also measured comments that it is 'not bad, but the reason to choose this one specifically depends on the person'. The number of voices is also limited.
By source
-
Specialist review sites
Outlets such as Digital Piano Review Guide and Best Piano Keyboards mostly take the line of praising the piano tone and the simplicity while flagging the weakness of the non-piano voices and the fullness of the rivals in the same price bracket.
-
User reviews on retailer & online stores
In user ratings at the likes of Amazon, comments that it is usable for the price and comments that it was not as good as expected are mixed, and the trend is for satisfaction to be somewhat restrained.
-
Head-to-head comparisons (vs Yamaha P-45, etc.)
In comparisons between entry models, the keyboard and the basic piano tone are seen as holding their own, while some conclusions still recommend the established models from the major brands on overall completeness.
Net take
On balance, the KA90 suits a beginner who can settle for a piano-tone focus. The honest piano tone and the simple operation are solid points in its favor, but the weakness of the non-piano voices and the pared-down feature set need to be factored in. Because Kurzweil's dealer and support network in Japan is thinner than the major brands', it is reassuring to confirm before buying whether you can try it and get advice nearby.
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).
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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Kurzweil KA90