Wired IEMs
KZ Zenith
82Great
$47
Full review dataKZ Zenith vs Sennheiser IE 800 S: 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
Sennheiser IE 800 S
78Great
$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
Sennheiser IE 800 S
Sound8.5
Value6.0
Specifications
| Spec | KZ Zenith | Sennheiser IE 800 S |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $47 | $38 |
| HearWiki score | 82 / 100 · Great | 78 / 100 · Great |
| Released | 2024 | 2017 |
| Audio | ||
| Driver | Full-range ultra-linear Dynamic Driver X | Extra Wide Band (XWB) drivers |
| Driver size | 10 mm | 7 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 20Hz-40kHz | 5Hz-46.5kHz |
| Impedance | 41 Ω | 16 Ω |
| Sensitivity | 128 dB/mW | - |
| Wireless | ||
| Multipoint pairing | - | No |
| Features | ||
| Active noise cancelling | - | No |
| Controls | none | - |
| Design | ||
| Weight | - | 8 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
Sennheiser IE 800 S
The Sennheiser IE 800 S is a compact, high-end wired in-ear that impresses with its detailed, spacious sound and refined tuning, thanks to its single 7mm XWB driver. While it offers strong build quality and comfort, its premium price tag, noticeable cable noise, and some design quirks may give potential buyers pause.
- Pro:Excellent detail retrieval and expansive soundstage
- Pro:Natural, cohesive tuning with strong sub-bass
- Pro:Very small and lightweight for comfortable extended wear
- Con:High price that may not fully match performance
- Con:Noticeable cable microphonics
- Con:Not a neutral or linear frequency response
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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