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The TRN MT4 is a dual dynamic driver in-ear monitor featuring a 10mm beryllium-coated woofer and a 6mm midrange/tweeter, delivering rich bass and clear highs. It has a zinc alloy and resin housing with a 4-core silver-plated copper cable and 2-pin connectors.
The TRN Earphone 4 is an affordable wired in-ear monitor featuring a hybrid 4-driver setup that combines two balanced armatures and two dynamic drivers for a detailed, spacious sound. Its lightweight build and comfortable fit make it a solid budget pick for listeners who value technical performance and clarity over heavy bass. The earphone is best suited for those who prioritize resolution and airiness in their music.
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
| Driver | 4-driver hybrid |
|---|---|
| Driver type | hybrid |
| Drivers per side | 4 |
| Frequency response | 20 Hz - 40 kHz |
| Impedance | 22 Ω |
| Sensitivity | 105 dB/mW |
| Driver | 4-driver hybrid |
|---|---|
| Driver type | hybrid |
| Drivers per side | 4 |
| Frequency response | 20 Hz - 40 kHz |
| Impedance | 22 Ω |
| Sensitivity | 105 dB/mW |
| Active noise cancelling | No |
|---|---|
| ANC type | none |
| Transparency mode | No |
| Companion app | No |
| Custom EQ | No |
| Wear detection | No |
| Weight | 7 g |
|---|---|
| USB-C | No |
| Model code | TRN MT4 |
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