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DUNU Kima vs Letshuoer S12 Ultra: which should you buy?

On aggregated review scores the Letshuoer S12 Ultra comes out ahead with a HearWiki score of 83. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Letshuoer S12 Ultra - Outstanding overall at around $169.

Score breakdown

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

Letshuoer S12 Ultra leads on 3 of 4 measures.

  • DUNU Kima
  • Letshuoer S12 Ultra
HearWiki score
56
83
Sound
6.3
8.6
Value
6.2
8.9
Price (USD)
$110
$170

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 Letshuoer S12 Ultra 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.

  • Kima2022
  • S12 Ultra20253 yr newer

Specifications

KimaS12 Ultra
Type
Wired IEMs
Wired IEMs
Price (USD)
$110
$170
HearWiki score
56
83
Released
2022
2025
Availability
Discontinued
Sold new
Driver
2× 10 mm dynamic
1 planar magnetic
Driver type
dynamic
planar
Driver configuration
-
1 planar magnetic
Driver size
10 mm
14.8 mm
Drivers per side
2
1
Impedance
32 Ω
16 Ω
Active noise cancelling
No
-
Weight
15 g
-

What reviewers said

DUNU Kima

The DUNU Kima is a wired, dual-dynamic-driver IEM with a sturdy build and warm, smooth tuning that appeals to listeners favoring balance over flash. It offers solid imaging and a comfortable fit, but its technical performance and treble airiness leave room for improvement, making it a competent yet not exceptional choice at its price. Overall, it's a well-rounded option for those prioritizing build and tonality over raw detail retrieval.

  • Pro:Sturdy, well-constructed design
  • Pro:Comfortable fit for extended listening
  • Pro:Warm, smooth sound signature
  • Con:Limited treble airiness
  • Con:Not a major upgrade over cheaper alternatives
  • Con:Technicalities are average for the class

Letshuoer S12 Ultra

The Letshuoer S12 Ultra is a wired in-ear monitor built around a single 14.8mm planar magnetic driver housed in a lightweight aluminum shell. It delivers the signature planar sound of the S12 line—fast, detailed, and punchy—in a refreshed design aimed at hi-fi enthusiasts. With a low 16-ohm impedance, it pairs easily with most sources, though it lacks any active noise cancellation.

  • Pro:Fast, detailed planar sound with strong dynamics
  • Pro:Lightweight and sturdy aluminum-alloy build
  • Pro:Easy to drive thanks to low impedance
  • Con:No noise cancellation or isolation features
  • Con:Planar timbre may not suit all listeners
  • Con:Cable and accessories are basic for the price

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 comparisonDUNU KimaLetshuoer S12 Ultra