Wired IEMs
KZ ZSN Pro
72Good
$14
Full review dataKZ ZSN Pro vs TRN CS1: which should you buy?
Specs, scores and condensed review verdicts for the KZ ZSN Pro vs TRN CS1, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
Wired IEMs
TRN CS1
Not yet scored
$9
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
KZ ZSN Pro
Sound7.5
Calls6.5
Value8.0
TRN CS1
No sub-scores yet - not enough rated reviews.
Specifications
| Spec | KZ ZSN Pro | TRN CS1 |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $14 | $9 |
| HearWiki score | 72 / 100 · Good | Not scored |
| Released | 2020 | 2019 |
| Audio | ||
| Driver | Hybrid: 10mm dynamic + 30095 balanced armature | Single Dynamic |
| Driver size | 10 mm | 10 mm |
| Drivers per side | 2 | 1 |
| Frequency response | 7Hz-40000Hz | 20Hz-20kHz |
| Impedance | 24 Ω | 16 Ω |
| Sensitivity | 112 dB/mW | 108 dB/mW |
| Wireless | ||
| Bluetooth | No | - |
| Multipoint pairing | No | - |
| Features | ||
| Active noise cancelling | No | - |
| Controls | buttons | - |
| Design | ||
| Weight | 29 g | - |
| Water resistance | - | none |
| Detachable cable | - | Yes |
| Calls | ||
| Microphones | 1 | - |
What reviewers said
KZ ZSN Pro
The KZ ZSN Pro is an ultra-affordable hybrid in-ear monitor that pairs a 10mm dynamic driver with a balanced armature for a lively, energetic sound. It offers punchy bass, clear mids, and crisp highs, making it easy to drive from phones or tablets. With a detachable cable, comfortable fit, and optional mic version, it's a solid budget pick, though accessories and cable quality are basic.
- Pro:Energetic, fun tuning with strong bass and crisp treble
- Pro:Easy to drive from any device
- Pro:Detachable cable and optional microphone versions
- Con:Stock cable feels flimsy
- Con:Minimal accessories in the box
- Con:Bright tuning may not suit all listeners
TRN CS1
The TRN CS1 is an affordable single-dynamic-driver in-ear monitor that delivers a well-rounded sound signature and strong passive noise blocking for its price. Its metal shell and bundled foam tips add durability and comfort, making it a dependable pick for everyday travel and voice-centric audio.
- Pro:Balanced, neutral tuning
- Pro:Strong passive noise isolation
- Pro:Lightweight aluminum build
- Con:No water resistance
- Con:Limited sub-bass extension
- Con:Basic stock cable quality
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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