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Kiwi Ears KE4 vs Ucotech RE-2: which should you buy?

Specs, scores and condensed review verdicts for the Kiwi Ears KE4 vs Ucotech RE-2, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.

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.

  • Kiwi Ears KE4
  • Ucotech RE-2
HearWiki score
81
-
Sound
8.6
-
Value
8.6
-
Price (USD)
$200
$110

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 KE4 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.

  • KE420243 yr newer
  • RE-22021

Specifications

KE4RE-2
Type
Wired IEMs
Wired IEMs
Price (USD)
$200
$110
HearWiki score
81
Not scored
Released
2024
2021
Availability
Discontinued
Discontinued
Driver
2DD + 2BA hybrid
10 mm driver
Driver type
hybrid
-
Driver configuration
2DD + 2BA
-
Driver size
10 mm
10 mm
Drivers per side
4
-
Impedance
28 Ω
32 Ω
Sensitivity
-
110 dB/mW
Active noise cancelling
No
-
Detachable cable
Yes
-
Connector
3.5 mm
3.5 mm

What reviewers said

Kiwi Ears KE4

The Kiwi Ears KE4 is a hybrid IEM that delivers a balanced, smooth sound signature with a touch of added bass and treble sparkle, making it a versatile choice for many genres. It offers solid clarity and a comfortable fit, though its tuning leans relaxed rather than aggressive, and it lacks the ultimate resolving power of pricier models. Overall, it's a polished performer around the $200 mark that suits listeners who prefer a neutral yet slightly warm presentation.

  • Pro:Well-balanced tuning with a relaxing character
  • Pro:Rich lower mids and airy treble
  • Pro:Comfortable fit for long sessions
  • Con:Sub-bass can feel a bit overpowering at times
  • Con:Limited dynamics and resolving power compared to top-tier IEMs
  • Con:Accessories are minimal

Ucotech RE-2

The Ucotech RE-2 is a wired universal IEM built around a 10 mm beryllium-coated dynamic driver inside a precision-machined brass shell. Priced around $109, it emphasizes a balanced, reference-style sound signature that suits neutral listening without extra features like noise cancellation.

  • Pro:Neutral, reference-style tuning for accurate monitoring
  • Pro:Beryllium-coated driver offers fast, detailed response
  • Pro:Durable CNC-machined brass housing
  • Con:No active noise cancellation or wireless convenience
  • Con:Brass shell may add noticeable weight
  • Con:Universal fit might not suit all ear shapes

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

Compare something else

Swap either side out, or start again from the picker.

New comparisonKiwi Ears KE4Ucotech RE-2