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Kiwi Ears KE4 vs OPPO MH135-3: which should you buy?

Specs, scores and condensed review verdicts for the Kiwi Ears KE4 vs OPPO MH135-3, 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 4 of 4 measures.

  • Kiwi Ears KE4
  • OPPO MH135-3
HearWiki score
84
-
Sound
8.6
-
Value
8.6
-
Price (USD)
$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

Both shipped in 2024. These are 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.

  • KE42024
  • MH135-32024

Specifications

KE4MH135-3
Type
Wired IEMs
Wired IEMs
Price (USD)
$200
-
HearWiki score
84
Not scored
Released
2024
2024
Availability
Still sold new
Discontinued
Driver
2DD + 2BA hybrid
14.2 mm dynamic
Driver type
hybrid
dynamic
Driver configuration
2DD + 2BA
-
Driver size
10 mm
14.2 mm
Drivers per side
4
1
Frequency response
-
20 Hz - 20 kHz
Impedance
28 Ω
32 Ω
Sensitivity
-
106 dB/mW
Active noise cancelling
No
No
ANC type
-
none
Transparency mode
-
No
Companion app
-
No
Custom EQ
-
No
Wear detection
-
No
Controls
-
buttons
Voice assistant
-
No
Weight
-
12 g
Detachable cable
Yes
-
USB-C
-
Yes
Connector
3.5 mm
USB-C
Model code
-
MH135 Type-C
Microphones
-
1

What reviewers said

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

OPPO MH135-3

The OPPO MH135-3 is a simple wired in-ear headset that connects via USB-C, making it a convenient option for modern devices without a headphone jack. It features a 14.2mm dynamic driver for balanced sound and a built-in microphone for hands-free calls. With a lightweight design and inline buttons, it's aimed at everyday communication and casual listening.

  • Pro:Lightweight 12g design
  • Pro:USB-C connector for wide compatibility
  • Pro:Built-in microphone for calls
  • Con:No active noise cancellation
  • Con:No app support or custom EQ
  • Con:Limited to wired use only

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

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