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Kiwi Ears KE4 vs Sony MH755: 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.

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
  • Sony MH755
HearWiki score
84
53
Sound
8.6
7.1
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

The Kiwi Ears KE4 is 11 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 11 years between them, that is a thin return - treat this as a restyle rather than a new platform.

  • KE4202411 yr newer
  • MH7552013

Specifications

KE4MH755
Type
Wired IEMs
Wired IEMs
Price (USD)
$200
-
HearWiki score
84
53
Released
2024
2013
Availability
Still sold new
Discontinued
Driver
2DD + 2BA hybrid
1DD
Driver type
hybrid
dynamic
Driver configuration
2DD + 2BA
1DD
Driver size
10 mm
-
Drivers per side
4
1
Impedance
28 Ω
-
Active noise cancelling
No
-
Detachable cable
Yes
-
Connector
3.5 mm
-

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

Sony MH755

This is a small, wired in-ear headphone that uses a single dynamic driver, originally included as a free accessory with Sony's Bluetooth adapters rather than being sold separately as a typical retail product. It was designed for simple, budget-friendly listening on the go, without any active noise cancellation features.

  • Pro:Compact and lightweight design
  • Pro:Single dynamic driver for clear sound
  • Pro:Wired connection for reliable audio
  • Con:No active noise cancellation
  • Con:Not sold as a standalone retail unit
  • 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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