Wired IEMs
Focal Spark
Not yet scored
$69
Full review dataFocal Spark vs KZ Zenith: which should you buy?
Specs, scores and condensed review verdicts for the Focal Spark vs KZ Zenith, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
Wired IEMs
KZ Zenith
82Great
$47
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Focal Spark
No sub-scores yet - not enough rated reviews.
KZ Zenith
Sound8.5
Value8.0
Specifications
| Spec | Focal Spark | KZ Zenith |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $69 | $47 |
| HearWiki score | Not scored | 82 / 100 · Great |
| Released | 2016 | 2024 |
| Audio | ||
| Driver | 9.5mm dynamic driver | Full-range ultra-linear Dynamic Driver X |
| Driver size | 9.5 mm | 10 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 20Hz-20kHz | 20Hz-40kHz |
| Impedance | 16 Ω | 41 Ω |
| Sensitivity | 103 dB/mW | 128 dB/mW |
| Wireless | ||
| Bluetooth | 4.1 | - |
| Codecs | aptX | - |
| Multipoint pairing | No | - |
| Wireless range | 10 m | - |
| Battery | ||
| Battery life | 8 h | - |
| Wireless charging | No | - |
| Features | ||
| ANC type | none | - |
| Transparency mode | No | - |
| Companion app | No | - |
| Custom EQ | No | - |
| Wear detection | No | - |
| Controls | both | none |
| Voice assistant | none | - |
| Design | ||
| Weight | 14 g | - |
| Detachable cable | - | Yes |
| USB-C | No | No |
| Calls | ||
| Microphones | 1 | - |
| Call noise reduction | none | - |
What reviewers said
Focal Spark
The Focal Spark is a wired in-ear monitor with a lightweight aluminum build and a V-shaped sound profile that adds punch to bass while keeping treble smooth. It comes with a fixed flat cable featuring a single-button remote and mic, plus a soft fabric pouch for storage. This model is a compact, budget-friendly option from a high-end audio brand, though it lacks wireless features and app support.
- Pro:Compact and lightweight metal housing
- Pro:Energetic bass with smooth highs
- Pro:Handy inline mic and remote
- Con:Cable is permanently attached and flat
- Con:No wireless or noise-canceling options
- Con:Limited to basic wired connectivity
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
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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