Wired IEMs
KZ Zenith
82Great
$47
Full review dataKZ Zenith vs KZ ZSX: which should you buy?
On aggregated review scores the KZ Zenith comes out ahead with an HearWiki score of 82. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: KZ Zenith - Great overall at around $47.
Wired IEMs
KZ ZSX
72Good
$38
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
KZ Zenith
Sound8.5
Value8.0
KZ ZSX
Sound7.2
Value7.8
Specifications
| Spec | KZ Zenith | KZ ZSX |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $47 | $38 |
| HearWiki score | 82 / 100 · Great | 72 / 100 · Good |
| Released | 2024 | 2019 |
| Audio | ||
| Driver | Full-range ultra-linear Dynamic Driver X | 5BA+1DD hybrid |
| Driver size | 10 mm | 10 mm |
| Drivers per side | 1 | 6 |
| Frequency response | 20Hz-40kHz | 7Hz-40kHz |
| Impedance | 41 Ω | 24 Ω |
| Sensitivity | 128 dB/mW | 111 dB/mW |
| Wireless | ||
| Multipoint pairing | - | No |
| Features | ||
| Active noise cancelling | - | No |
| Controls | none | - |
| Design | ||
| Weight | - | 31 g |
| Detachable cable | Yes | Yes |
| USB-C | No | No |
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
KZ ZSX
The KZ ZSX is a budget-friendly hybrid earphone that delivers surprisingly refined sound for its price, blending punchy bass with lively mids and a generally balanced tuning. Its build quality and detachable cable add value, though the large shells and a sharp upper-treble peak may cause discomfort or fatigue for some listeners. Overall, it's a compelling pick for those seeking an affordable, dynamic-sounding IEM with strong technical performance.
- Pro:Excellent value for the price
- Pro:Punchy bass and lively mids
- Pro:Detachable cable and solid build
- Con:Large shells can be uncomfortable
- Con:Harsh upper treble may cause fatigue
- Con:Less refined than higher-end models
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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