Kurzweil
KA90
$400
Kurzweil sound quality in a beginner-friendly portable
8.6 Beginner 5.5 Night Practice 4.5 Portability 5.3 Touch Reality 6.7 Value
88 13.5 kg
View Details Medeli
Medeli SP4200 Review
600 sounds and Bluetooth audio in a budget portable
88 Keys 12.5 kg hammer action Beginner
Scores
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 | 200 | +1.5 |
| Sound Variety | 600 sounds | +0.5 |
Night Practice
6.0| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 2.0 |
| Headphone Jacks | 1 | +1 |
| Headphone Type | 6.3mm | +1 |
| Headphone Optimization | No | +0 |
| Key Action Quietness | hammer action | +0.5 |
| Volume Control | Yes | +1 |
| Bluetooth Audio | Yes | +0.5 |
Portability
4.5| Factor | This Piano | Points |
|---|---|---|
| Base Score | — | 5.0 |
| Weight | 12.5 kg | +0 |
| Width | 1330 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 | hammer action (grade 5) | +3 |
| Key Count | 88 keys | +1.5 |
| Polyphony | 128 notes | +0.8 |
| Sound Modeling | No | +0 |
| Key Surface | plastic | +0 |
Our Verdict
The Medeli SP4200 crams an extraordinary 600 sounds, Bluetooth audio streaming, and 200 preset songs into a lightweight portable — an entertainer's budget dream with surprising versatility.
Pros
- • 600 built-in sounds — enormous variety for exploration and entertainment
- • Bluetooth audio — stream backing tracks from your phone through the speakers
- • 200 preset songs for lesson support and guided practice
- • 128-note polyphony is solid for this price range
- • Lightweight at 12.5kg with a portable form factor
- • Lesson function and recording capability included
Cons
- • 600 sounds means quantity over quality — piano tones are average
- • Hammer action is basic and lacks refinement
- • Medeli brand is not widely known — limited service and support network
- • Bluetooth is audio-only, not MIDI — cannot use for app-based learning
- • Plastic keys without textured surface
The Medeli SP4200 takes the opposite approach to minimalist pianos — it gives you everything it possibly can at the lowest possible price. Six hundred sounds, Bluetooth audio, 200 songs, lesson function, recording — the feature list is genuinely impressive for under $350. The trade-off is that none of these features are best-in-class. The piano sound is okay, the key action is basic, and the build quality is functional rather than premium. But if you want a portable keyboard that does a little bit of everything and keeps practice sessions from getting boring, the SP4200 delivers variety that no competitor at this price can match. Think of it as the Swiss Army knife of budget portables.
Technical Deep Dive
About the Key Action
The SP4200 uses a standard hammer action mechanism with plastic key surfaces. The weighted feel is present across all 88 keys with basic grading, but the action lacks the smoothness and consistency of more established brands. Key return can feel slightly sluggish at faster tempos, and the dynamic response range is narrower than Yamaha or Casio alternatives at similar prices. For casual playing and early-stage learning, the action is serviceable. Players who develop beyond the beginner stage will want a more refined keyboard that responds better to subtle touch variations.
Who Is This Piano For?
The SP4200 is for the beginner who wants maximum variety and entertainment value in a portable package. If you enjoy exploring different sounds, playing along with music streamed via Bluetooth, and having hundreds of songs to practice with, the SP4200 delivers a playground of features that makes daily practice more interesting. It is particularly appealing for families — children love cycling through different instrument sounds, and the Bluetooth audio feature means anyone can stream music through the speakers when the piano is not in use. The 600 sounds are mostly general MIDI quality rather than premium piano tones, so serious pianists should look elsewhere. But as an all-in-one practice and entertainment instrument at under $350, the SP4200 offers remarkable breadth.
Specifications
| Keys | 88 |
| Key Action | Hammer Action |
| Polyphony | 128 notes |
| Sounds | 600 |
| Weight | 12.5 kg |
| Speakers | 20W (×2) |
| Bluetooth | Audio |
| 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 | 200 |
| Battery | No |
| Foldable | No |
| Dimensions (W×D×H) | 1330×330×125 mm |
| Stand Included | No |
| Pedal Included | Yes |
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.
How It Compares
SP4200 vs KA90
The SP4200 scores higher in Night Practice. Choose the SP4200 if you prioritize quiet practice.
Kurzweil KA90 →SP4200 vs Allegro IV
The SP4200 scores higher in Night Practice. Choose the SP4200 if you prioritize quiet practice.
Williams Allegro IV →SP4200 vs DEP-20
The DEP-20 edges ahead in Portability and Touch Reality. Choose the DEP-20 if you prioritize portability.
Donner DEP-20 →Frequently Asked Questions
Is the Medeli SP4200 good for beginners?
Yes. The Medeli SP4200 scores 8.6/10 on our Beginner scale, which means it has strong learning features like lesson modes, app connectivity, and built-in songs to help new players get started.
Does the Medeli SP4200 have Bluetooth?
The Medeli SP4200 has Bluetooth Audio for streaming music through its speakers, but no Bluetooth MIDI for app connectivity.
How heavy is the Medeli SP4200?
The Medeli SP4200 weighs 12.5 kg (28 lbs). It scores 4.5/10 on our Portability scale. This is manageable for occasional moves but not truly portable.
Can I use headphones with the Medeli SP4200?
Yes. The Medeli SP4200 has 1 headphone jack (6.3mm). It scores 6/10 on our Night Practice scale.
How many keys does the Medeli SP4200 have?
The Medeli SP4200 has a full 88-key keyboard, the same as an acoustic piano. This gives you the complete range for any piece of music.
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