Wired IEMs
KZ Zenith
82Great
$47
Full review dataKZ Zenith vs Sivga SM100: 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
Sivga SM100
78Great
$35
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
Sivga SM100
Sound8.0
Value8.5
Specifications
| Spec | KZ Zenith | Sivga SM100 |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $47 | $35 |
| HearWiki score | 82 / 100 · Great | 78 / 100 · Great |
| Released | 2024 | 2026 |
| Audio | ||
| Driver | Full-range ultra-linear Dynamic Driver X | single dynamic driver, dual-chamber PU + sapphire-like ceramic composite diaphragm |
| Driver size | 10 mm | 10 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 20Hz-40kHz | 20Hz-40kHz |
| Impedance | 41 Ω | 27 Ω |
| Sensitivity | 128 dB/mW | 107 dB/mW |
| Wireless | ||
| Bluetooth | - | none |
| Multipoint pairing | - | No |
| Features | ||
| Controls | none | - |
| Design | ||
| Weight | - | 7 g |
| Water resistance | - | none |
| Detachable cable | Yes | Yes |
| USB-C | No | No |
| Calls | ||
| Microphones | - | 1 |
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
Sivga SM100
The Sivga SM100 is a budget-friendly single-dynamic-driver IEM that punches above its price class with an open, cohesive sound signature. It delivers impressive detail retrieval and well-controlled bass for the cost, though it does compromise on sub-bass depth and top-end airiness. Overall, it's a solid pick for listeners who value clarity and balance over extreme extension.
- Pro:Excellent clarity and detail for the price
- Pro:Balanced, cohesive tuning with controlled bass
- Pro:Lightweight and comfortable with detachable cable
- Con:Sub-bass extension is limited
- Con:Treble rolls off noticeably in the upper frequencies
- Con:No wireless or multipoint connectivity options
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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