Kiwi Ears Belle vs KZ EDX ULTRA: which should you buy?

On aggregated review scores the Kiwi Ears Belle comes out ahead with a HearWiki score of 79. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Kiwi Ears Belle - Great overall at around $30.

Wired IEMs

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Kiwi Ears Belle leads on 3 of 4 measures.

Kiwi Ears Belle
KZ EDX ULTRA

HearWiki score

Sound

7.6

5.8

Value

9.1

5.7

Price (USD)

$30

$22

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Same generation

The Kiwi Ears Belle is 3 years newer, but it is the same generation of hardware: nothing in the radio, the codecs or the noise cancelling separates them. Nothing separates them on convenience features either, so the choice comes down to tuning and price. For 3 years between them, that is a thin return - treat this as a restyle rather than a new platform.

Belle20253 yr newer
EDX ULTRA2022

Specifications

BelleEDX ULTRA

Type: Wired IEMs; Wired IEMs
Price (USD): $30; $22
HearWiki score: 79; 53
Released: 2025; 2022
Availability: Sold new; Discontinued
Driver: 1DD; 10 mm dynamic
Driver type: dynamic; dynamic
Driver configuration: 1DD; -
Driver size: 10 mm; 10 mm
Drivers per side: 1; -
Impedance: 32 Ω; 26 Ω
Active noise cancelling: -; No
Detachable cable: -; Yes

Specification comparison of Kiwi Ears Belle vs KZ EDX ULTRA
Spec	Kiwi Ears Belle	KZ EDX ULTRA
Type	Wired IEMs	Wired IEMs
Price (USD)	$30	$22
HearWiki score	79 / 100 Great	53 / 100 Average
Released	2025	2022
Audio
Driver	1DD	10 mm dynamic
Driver type	dynamic	dynamic
Driver configuration	1DD	-
Driver size	10 mm	10 mm
Drivers per side	1	-
Impedance	32 Ω	26 Ω
Features
Active noise cancelling	-	No
Design
Detachable cable	-	Yes

What reviewers said

Kiwi Ears Belle

The Kiwi Ears Belle is a budget-friendly wired IEM that prioritizes a warm, bass-rich, and vocal-forward sound signature over analytical precision. It offers a comfortable, compact fit and solid build quality, making it a low-risk pick for everyday listening, though it trades some treble detail for a smooth, forgiving presentation. Its performance and included accessories make it feel more premium than its modest price suggests.

Pro:Warm, engaging bass response
Pro:Clean and vocal-forward midrange
Pro:Comfortable, compact shell for long sessions

Con:Treble extension is restrained, limiting air and sparkle
Con:Soundstage depth and layering are only average
Con:Not for listeners seeking high detail or analytical tuning

KZ EDX ULTRA

The KZ EDX Ultra is a budget-friendly wired IEM with a lively, bass-forward sound signature that offers solid build quality and comfortable fit for its low price. It delivers good value for casual listeners, though its tuning can feel uneven, with recessed mids and occasionally harsh treble that limit its technical performance compared to slightly more expensive options.

Pro:Very affordable price point
Pro:Solid build quality for the cost
Pro:Comfortable fit for extended listening

Con:Mids can sound recessed or distant
Con:Treble may become fatiguing or rough
Con:Limited resolution and soundstage depth

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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