Aful Performer 8S vs Kiwi Ears KE4: which should you buy?

On aggregated review scores the Kiwi Ears KE4 comes out ahead with a HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Kiwi Ears KE4 - Outstanding overall at around $199.

Wired IEMs

Score breakdown

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

Kiwi Ears KE4 leads on 3 of 4 measures.

Aful Performer 8S
Kiwi Ears KE4

HearWiki score

Sound

8.6

Value

8.1

8.6

Price (USD)

$390

$200

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 Aful Performer 8S is 2 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.

Performer 8S20262 yr newer
KE42024

Specifications

Performer 8SKE4

Type: Wired IEMs; Wired IEMs
Price (USD): $390; $200
HearWiki score: 80; 84
Released: 2026; 2024
Availability: Sold new; Still sold new
Driver: 1DD + 6BA + 1PL tribrid; 2DD + 2BA hybrid
Driver type: tribrid; hybrid
Driver configuration: 1DD + 6BA + 1PL; 2DD + 2BA
Driver size: -; 10 mm
Drivers per side: 8; 4
Impedance: 26 Ω; 28 Ω
Active noise cancelling: -; No
Detachable cable: -; Yes
Connector: 2-pin 0.78 mm; 3.5 mm

Specification comparison of Aful Performer 8S vs Kiwi Ears KE4
Spec	Aful Performer 8S	Kiwi Ears KE4
Type	Wired IEMs	Wired IEMs
Price (USD)	$390	$200
HearWiki score	80 / 100 Great	84 / 100 Outstanding
Released	2026	2024
Audio
Driver	1DD + 6BA + 1PL tribrid	2DD + 2BA hybrid
Driver type	tribrid	hybrid
Driver configuration	1DD + 6BA + 1PL	2DD + 2BA
Driver size	-	10 mm
Drivers per side	8	4
Impedance	26 Ω	28 Ω
Features
Active noise cancelling	-	No
Design
Detachable cable	-	Yes
Connector	2-pin 0.78 mm	3.5 mm

What reviewers said

Aful Performer 8S

The Aful Performer 8S is a tribrid wired IEM that delivers a balanced, articulate sound with a smooth treble and a spacious soundstage, making it well-suited for relaxed daily listening. It is easy to drive and offers clean tonality, though its bass impact is moderate and female vocals may sound slightly set back. Overall, it is a competent performer that faces stiff competition at its price point.

Pro:Easy to drive from most sources
Pro:Spacious and clean soundstage
Pro:Smooth treble without harshness

Con:Bass impact and density could be stronger
Con:Female vocals can feel recessed
Con:Does not strongly stand out against competitors

Kiwi Ears KE4

The Kiwi Ears KE4 is a wired hybrid IEM that offers a balanced, relaxing sound with a distinct twist on the popular 'New Meta' tuning, adding extra bass and treble sparkle. It delivers solid midrange clarity and a comfortable fit, making it a versatile choice for many genres, though its smooth presentation may not excite those seeking aggressive or highly dynamic sound.

Pro:Well-balanced hybrid tuning with rich lower mids and airy treble
Pro:Comfortable fit and broad genre versatility
Pro:Good resolution and clarity for its price

Con:Sub-bass can get overpowering at times
Con:Limited resolving power and dynamic impact
Con:Smooth tuning may feel less exciting than V-shaped alternatives

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

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