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Kiwi Ears KE4 vs Moondrop U-2: which should you buy?

Specs, scores and condensed review verdicts for the Kiwi Ears KE4 vs Moondrop U-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 4 of 4 measures.

  • Kiwi Ears KE4
  • Moondrop U-2
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

Moondrop U-2 (2025) against Kiwi Ears KE4 (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
  • U-220251 yr newer

Specifications

KE4U-2
Type
Wired IEMs
Wired IEMs
Price (USD)
$200
-
HearWiki score
84
Not scored
Released
2024
2025
Availability
Still sold new
Sold new
Driver
2DD + 2BA hybrid
14.8 mm dynamic
Driver type
hybrid
dynamic
Driver configuration
2DD + 2BA
-
Driver size
10 mm
14.8 mm
Drivers per side
4
1
Frequency response
-
20 Hz - 20 kHz
Impedance
28 Ω
30 Ω
Sensitivity (dB/Vrms)
-
116
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 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

Moondrop U-2

The Moondrop U-2 is a wired HiFi earbud built around a single 14.8mm long-stroke composite paper dynamic driver, offering a warm and natural sound signature. With a lightweight design and a standard 3.5mm connector, it's a straightforward, no-frills option for listeners seeking a pure analog experience. This model marks the brand's return to the earbud format after a four-year break, focusing on simplicity and driver performance.

  • Pro:Natural, paper-driver tonality
  • Pro:Compact and lightweight earbud fit
  • Pro:High sensitivity (116 dB) for easy driving
  • Con:No active noise cancellation
  • Con:Limited frequency range (20 Hz–20 kHz)
  • Con:Single driver may lack bass depth for some

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 KE4Moondrop U-2