Wired IEMs
KZ Castor
72Good
$15
Full review dataKZ Castor vs TRN CS1: which should you buy?
Specs, scores and condensed review verdicts for the KZ Castor 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 Castor
Sound7.0
Value8.0
TRN CS1
No sub-scores yet - not enough rated reviews.
Specifications
| Spec | KZ Castor | TRN CS1 |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $15 | $9 |
| HearWiki score | 72 / 100 · Good | Not scored |
| Released | 2023 | 2019 |
| Audio | ||
| Driver | Dual dynamic drivers (8mm + 10mm dual magnetic) | Single Dynamic |
| Driver size | 10 mm | 10 mm |
| Drivers per side | 2 | 1 |
| Frequency response | 20Hz-40kHz | 20Hz-20kHz |
| Impedance | 31 Ω | 16 Ω |
| Sensitivity | 105 dB/mW | 108 dB/mW |
| Wireless | ||
| Bluetooth | none | - |
| Multipoint pairing | No | - |
| Battery | ||
| Wireless charging | No | - |
| Features | ||
| Active noise cancelling | No | - |
| ANC type | none | - |
| Transparency mode | No | - |
| Companion app | No | - |
| Custom EQ | Yes | - |
| Wear detection | No | - |
| Controls | none | - |
| Design | ||
| Water resistance | - | none |
| Detachable cable | Yes | Yes |
| USB-C | No | - |
What reviewers said
KZ Castor
The KZ Castor is a budget-friendly in-ear monitor with dual dynamic drivers and adjustable tuning switches, offering a fun, energetic sound that punches above its price. It's particularly well-suited for bass lovers and gamers, though its technical performance and accessory package are only average for the price.
- Pro:Adjustable tuning switches for sound customization
- Pro:Strong bass response and energetic sound signature
- Pro:Good build quality and comfortable fit for the price
- Con:Average technical performance and detail retrieval
- Con:Stock cable and accessories feel cheap
- Con:Slight treble sibilance and artificial vocals at times
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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