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KZ Zenith vs Tanchjim ONE: which should you buy?

On aggregated review scores the KZ Zenith comes out ahead with a HearWiki score of 80. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: KZ Zenith - Great overall at around $47.

Score breakdown

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

KZ Zenith leads on 2 of 4 measures.

  • KZ Zenith
  • Tanchjim ONE
HearWiki score
80
71
Sound
8.5
7.0
Value
8.0
8.0
Price (USD)
$47
$25

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

KZ Zenith (2024) against Tanchjim ONE (2023). 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.

  • Zenith20241 yr newer
  • ONE2023

Specifications

ZenithONE
Type
Wired IEMs
Wired IEMs
Price (USD)
$47
$25
HearWiki score
80
71
Released
2024
2023
Availability
Discontinued
Discontinued
Driver
10 mm dynamic
1DD
Driver type
dynamic
dynamic
Driver configuration
-
1DD
Driver size
10 mm
10 mm
Drivers per side
1
1
Frequency response
20 Hz - 40 kHz
-
Impedance
41 Ω
16 Ω
Sensitivity
128 dB/mW
-
Active noise cancelling
No
No
Controls
none
-
Detachable cable
Yes
-
USB-C
No
-
Connector
3.5 mm
2-pin 0.78 mm

What reviewers said

KZ Zenith

The KZ Zenith is a wired, single-dynamic-driver IEM that delivers a balanced, non-fatiguing sound with punchy bass, detailed mids, and smooth treble. It's highly sensitive and easy to drive, making it a versatile choice for portable use, while its build quality and fit are praised. Despite a few minor caveats, it offers strong technical performance and competes well above its modest price point.

  • Pro:Balanced, non-offensive tuning with textured bass
  • Pro:Clear and detailed mids with refined treble
  • Pro:Very easy to drive and highly sensitive
  • Con:No active noise cancellation or controls
  • Con:Cable is detachable but not USB-C
  • Con:Minor caveats in overall technical refinement

Tanchjim ONE

The Tanchjim ONE is a budget-friendly wired IEM that offers a well-balanced, easy-going sound signature with solid construction for its price. It excels in comfort and imaging, making it a reliable everyday choice, though it may not be the most detailed option for complex tracks or for listeners seeking extra treble sparkle.

  • Pro:Balanced and pleasant tuning
  • Pro:Solid build quality for the price
  • Pro:Comfortable fit and good imaging
  • Con:Limited refinement on busy tracks
  • Con:Not the most detailed or nuanced sound
  • Con:DSP version may sound unusual to 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 comparisonKZ ZenithTanchjim ONE