Wired IEMs
KZ Zenith
82Great
$47
Full review dataKZ Zenith vs Sennheiser IE 80 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 80 S
78Great
$71
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 80 S
Sound8.5
Value7.0
Specifications
| Spec | KZ Zenith | Sennheiser IE 80 S |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $47 | $71 |
| HearWiki score | 82 / 100 · Great | 78 / 100 · Great |
| Released | 2024 | 2017 |
| Audio | ||
| Driver | Full-range ultra-linear Dynamic Driver X | dynamic |
| Driver size | 10 mm | 10 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 20Hz-40kHz | 10Hz-20kHz |
| Impedance | 41 Ω | 16 Ω |
| Sensitivity | 128 dB/mW | 116 dB/mW |
| Wireless | ||
| Bluetooth | - | 5.0 |
| Bluetooth version | - | 5.0 |
| Codecs | - | SBC, AAC, aptX, aptX HD, aptX LL, LHDC |
| Multipoint pairing | - | No |
| Battery | ||
| Battery life | - | 6 h |
| Full charge time | - | 90 min |
| Wireless charging | - | No |
| Features | ||
| Active noise cancelling | - | No |
| Controls | none | - |
| Design | ||
| Weight | - | 30 g |
| Water resistance | - | none |
| Detachable cable | Yes | - |
| USB-C | No | Yes |
| Calls | ||
| Microphones | - | 2 |
| Call noise reduction | - | 2 omni-directional microphones |
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 80 S
The Sennheiser IE 80 S is a premium wired in-ear monitor that focuses on audiophile-grade sound with an adjustable bass response to suit personal taste. It delivers a detailed, weighty presentation with a comfortable fit and a detachable cable, though it lacks modern conveniences like a built-in remote or wireless functionality. While its build and clarity are strong, some listeners may find its overall sound too restrained for the price.
- Pro:Adjustable bass tuning for personalized sound
- Pro:Excellent detail and resolution across frequencies
- Pro:Comfortable fit with a wide selection of ear tips
- Con:No inline remote or microphone on the cable
- Con:Sound can feel flat and lacking in excitement
- Con:Premium price may not justify performance for all listeners
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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