Wired IEMs
FiiO FF3S
Not yet scored
$90
Full review dataFiiO FF3S vs KZ Zenith: which should you buy?
Specs, scores and condensed review verdicts for the FiiO FF3S 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.
FiiO FF3S
No sub-scores yet - not enough rated reviews.
KZ Zenith
Sound8.5
Value8.0
Specifications
| Spec | FiiO FF3S | KZ Zenith |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $90 | $47 |
| HearWiki score | Not scored | 82 / 100 · Great |
| Released | 2024 | 2024 |
| Audio | ||
| Driver | dynamic | Full-range ultra-linear Dynamic Driver X |
| Driver size | 14.2 mm | 10 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 20Hz-20kHz | 20Hz-40kHz |
| Impedance | 45 Ω | 41 Ω |
| Sensitivity | 105 dB/mW | 128 dB/mW |
| Features | ||
| Controls | buttons | none |
| Design | ||
| Weight | 3.9 g | - |
| Detachable cable | Yes | Yes |
| USB-C | No | No |
What reviewers said
FiiO FF3S
The FiiO FF3S are lightweight, wired earbuds featuring a 14.2mm dynamic driver with a beryllium-coated dome for crisp highs and a dual-cavity bass chamber for deep, punchy lows. Their aluminum build and detachable silver-plated copper cable offer durability and flexibility, with swappable 3.5mm and 4.4mm plugs for versatile use. No noise cancellation, but the open design and lightweight fit make them a comfortable choice for critical listening on the go.
- Pro:Detachable cable with interchangeable 3.5/4.4mm plugs
- Pro:Lightweight aluminum shell for comfort
- Pro:Rich, detailed sound with strong bass response
- Con:No noise isolation or ANC
- Con:Wired only, limiting portability
- Con:Buttons offer limited control without mic
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.
Compare something else
Swap either side out, or start again from the picker.