TRN CS1
We need more than one usable review before publishing a score.
At a glance
- Brand
- TRN
- Type
- Wired IEMs
- Fit
- -
- Connection
- Wired
- Noise cancelling
- No
- Released
- 2019
The TRN CS1 is a budget in-ear monitor with a single dynamic driver, offering balanced sound and excellent passive noise isolation (up to 26 dB) for under $50. Its aluminum housing and included foam tips make it a durable, reliable choice for daily commuters and spoken-word listening.
The HearWiki takeAI-condensed
The TRN CS1 is an affordable wired in-ear monitor featuring a single 10mm dynamic driver that delivers a well-balanced audio profile. Its lightweight aluminum build and included foam ear tips provide dependable comfort and strong passive sound isolation, making it a solid everyday option for commuters or those who prioritize clear vocal reproduction.
What works
- Balanced, natural sound signature
- Excellent passive isolation with included foam tips
- Durable aluminum construction
- Very affordable price point
- Detachable cable for easy replacement
What doesn't
- No active noise cancellation
- Not water-resistant
- Limited bass extension for bass-heavy listeners
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
Specifications
| Driver | 10 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 10 mm |
| Drivers per side | 1 |
| Frequency response | 20 Hz - 20 kHz |
| Impedance | 16 Ω |
| Sensitivity | 108 dB/mW |
Audio
| Driver | 10 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 10 mm |
| Drivers per side | 1 |
| Frequency response | 20 Hz - 20 kHz |
| Impedance | 16 Ω |
| Sensitivity | 108 dB/mW |
Features
| Active noise cancelling | No |
|---|
Design
| Water resistance | none |
|---|---|
| Detachable cable | Yes |
Own these? Rate them.
A minute of your experience with the TRN CS1 helps the next person shopping for them.
Alternatives in the $5–$19 range
Other wired iems models at a comparable price, ordered by HearWiki score.
More from TRN
Other TRN models in the database, same category first.
Where it sits in our rankings
The data-driven guides this model qualifies for.