Wired IEMs
KZ ZVX
72Good
$20
Full review dataKZ ZVX vs Sennheiser IE 800 S: which should you buy?
On aggregated review scores the Sennheiser IE 800 S comes out ahead with an HearWiki score of 78. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Sennheiser IE 800 S - Great overall at around $38.
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 ZVX
Sound7.0
Value8.0
Sennheiser IE 800 S
Sound8.5
Value6.0
Specifications
| Spec | KZ ZVX | Sennheiser IE 800 S |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $20 | $38 |
| HearWiki score | 72 / 100 · Good | 78 / 100 · Great |
| Released | 2024 | 2017 |
| Audio | ||
| Driver | 10mm dual-cavity dynamic driver | Extra Wide Band (XWB) drivers |
| Driver size | 10 mm | 7 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 20Hz-40kHz | 5Hz-46.5kHz |
| Impedance | 25 Ω | 16 Ω |
| Sensitivity | 109 dB/mW | - |
| Wireless | ||
| Multipoint pairing | - | No |
| Battery | ||
| Wireless charging | No | - |
| Features | ||
| Active noise cancelling | - | No |
| Companion app | No | - |
| Custom EQ | No | - |
| Wear detection | No | - |
| Controls | buttons | - |
| Design | ||
| Weight | - | 8 g |
| Detachable cable | Yes | Yes |
| USB-C | No | No |
What reviewers said
KZ ZVX
The KZ ZVX is a budget-friendly wired IEM that punches well above its price class, offering a detailed and clean sound signature from its single 10mm dual-cavity dynamic driver. It's easy to drive with any source, making it a strong value pick for beginners, though its timbre can sound slightly unnatural and note decay is a bit quick. Build quality is solid for the price, and the detachable cable adds practical flexibility.
- Pro:Excellent price-to-performance ratio
- Pro:Detailed and clean sound for the price
- Pro:Easy to drive with low impedance and high sensitivity
- Con:Timbre can sound slightly off
- Con:Note decay is faster than natural
- Con:No app support or EQ options
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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