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 M90 Review
Kurzweil M90: a clear digital piano review for practice and comparison
88 Keys 15 kg Graded Hammer Action Beginner
Scores
Where to Buy
MSRP
$550
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
5.4| 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 | 16 sounds | +0.3 |
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 | 15 kg | +0 |
| Width | 1340 mm | -0.5 |
| Battery | No | +0 |
| Foldable | No | +0 |
| Key Count | 88 keys | +0 |
Touch Reality
4.9| Factor | This Piano | Points |
|---|---|---|
| Key Action Quality | Graded Hammer Action (grade 5) | +3 |
| Key Count | 88 keys | +1.5 |
| Polyphony | 64 notes | +0.4 |
| Sound Modeling | No | +0 |
| Key Surface | Standard | +0 |
Kurzweil M90 review verdict
This Kurzweil M90 review reads the published specifications from a comparison-first point of view: touch, sound, practice fit, value, and limits.
Kurzweil M90 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 large sound reserves and heavy pedal work.
- • Stand cost and compatibility are separate checks.
- • Nearby current models may offer a better match for some players.
Kurzweil M90 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, 64-note polyphony, 30W speakers, and a weight of 15 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 M90 evaluation points
Kurzweil M90 key action and touch
Kurzweil M90 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 specification does not make the key surface the main selling point. The specification lists 64-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 M90 is for
Kurzweil M90 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 large sound reserves and heavy pedal work. Buyers comparing digital pianos should also check the stand, pedal, headphone jack, app support, and local availability before deciding.
Kurzweil M90 sound and speakers
Kurzweil M90 offers 16 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 M90
Before buying Kurzweil M90, 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 M90 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:
Musicopolix Watch on YouTube ↗
Specifications
| Keys | 88 |
| Key Action | Graded Hammer Action |
| Polyphony | 64 notes |
| Sounds | 16 |
| Weight | 15 kg |
| Speakers | 30W (×2) |
| Bluetooth | No |
| Key Surface | — |
| Sound Modeling | |
| Headphone Jacks | 1 |
| Headphone Type | 6.3mm |
| Headphone Optimization | No |
| USB MIDI | Yes |
| Line Out | No |
| Lesson Function | No |
| App Connectivity | No |
| Recording | Yes |
| Metronome | Yes |
| Transpose | Yes |
| Layer / Split | Yes |
| Preset Songs | 0 |
| Battery | No |
| Foldable | No |
| Dimensions (W×D×H) | 1340×340×130 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
$550
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
M90 vs P-145BT
the P-145BT is stronger in beginner support, portability, piano-like touch and value for money. Choose the P-145BT if beginner-friendly features matters most.
Yamaha P-145BT →M90 vs D1
The M90 scores higher in beginner support and quiet practice, while the D1 is stronger in piano-like touch. Choose the M90 if beginner-friendly features matters most.
Korg D1 →M90 vs P-145
The M90 scores higher in quiet practice, while the P-145 is stronger in beginner support, portability and value for money. The P-145 costs $90 less. Choose the M90 if quiet practice matters most.
Yamaha P-145 →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 M90 is an 88-key model fitted with Kurzweil's piano sound engine. In retailer reviews and owners' comments, the focus is on the feel of the proper, weighted hammer-action keyboard and a piano tone that punches above its price. At the same time, some flag the polyphony, the number of voices and the pared-down connectivity as falling short.
Praised most often
-
Proper weighted hammer-action keyboard
Comments that 'you get a touch and dynamic expression close to a real piano' stand out in retailer reviews. Learners and people who play at home voice satisfaction with the feel.
-
Piano tone that punches above its price
On Kurzweil's sound engine, the prevailing comments rate it as 'richer and more expressive than the price suggests'. The fact that it covers the basic voices such as piano, electric piano, organ and strings is also noted.
-
Recording feature useful for reviewing lessons
It has a simple recording feature, and some cite the fact that you can use it to review your practice as a practical advantage. It also supports layer and split performance modes.
Common cautions and criticisms
-
Modest polyphony
The polyphony tops out at 64 notes, which readily feeds into notes that there may be moments where the sound drops out in pieces that use the pedal heavily. If you place weight on note count, this calls for caution.
-
Few voices and a minimal feature set
The voices are pared down to 16, and there are no lesson features or app integration. The takeaway is that anyone who wants a varied palette of voices or learning support will find it lacking.
-
No Bluetooth
The unit does not support Bluetooth, and you cannot connect wirelessly to a phone or tablet. Connection assumes wired options such as USB MIDI.
By source
-
Retailer reviews & owners' comments
In retailer reviews at the likes of Sweetwater and Acclaim Music, the focus is on rating the feel of the hammer-action keyboard and the distinctive piano tone favorably, with a line that recommends it for learners and the home.
-
Specialist review sites & forums
As a view of Kurzweil overall, there is also a measured stance that, while acknowledging the quality of the sound engine, it comes up short against the major brands in the same price bracket on spec points such as note count and the number of voices.
Net take
On balance, the M90 suits learners and households who prioritize sound quality and feel. The weighted hammer-action keyboard and Kurzweil's piano tone are the central points in its favor, and it fits anyone who prefers a setup pared down to the essentials. On the other hand, if you place weight on polyphony, the number of voices, or wireless connectivity, other models become candidates for comparison. Note, too, that individual reviews on specialist sites are not numerous, and the assessment rests mainly on retailer reviews. It is also reassuring to keep in mind that Kurzweil's dealer and support network in Japan is thinner than the major brands'.
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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