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The TRN TA4 is a hybrid in-ear monitor featuring dual dynamic drivers and dual Knowles balanced armature drivers, delivering a balanced and detailed sound signature. It has a semi-open back design, an aluminum alloy and resin housing, and includes a 4-core silver-plated copper cable with swappable 2.5/3.5/4.4mm connectors.
The TRN TA4 is a budget-friendly hybrid in-ear monitor that packs two dynamic drivers and two balanced armatures into a lightweight shell, offering a spacious and detailed sound signature. It comes with a modular 4.4mm balanced cable and a generous accessory kit, making it a strong value proposition for those seeking technical performance over frills. However, its bright treble can occasionally border on harsh, and the build materials feel less premium than the price might suggest.
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
| Driver | 2DD + 2BA hybrid |
|---|---|
| Driver type | hybrid |
| Driver configuration | 2DD + 2BA |
| Drivers per side | 4 |
| Frequency response | 20 Hz - 40 kHz |
| Impedance | 20 Ω |
| Sensitivity | 105 dB/mW |
| Driver | 2DD + 2BA hybrid |
|---|---|
| Driver type | hybrid |
| Driver configuration | 2DD + 2BA |
| Drivers per side | 4 |
| Frequency response | 20 Hz - 40 kHz |
| Impedance | 20 Ω |
| Sensitivity | 105 dB/mW |
| Active noise cancelling | No |
|---|---|
| ANC type | none |
| Transparency mode | No |
| Companion app | No |
| Custom EQ | No |
| Wear detection | No |
| Controls | none |
| Voice assistant | No |
| Weight | 5.7 g |
|---|---|
| Water resistance | none |
| Detachable cable | Yes |
| USB-C | No |
| Connector | 4.4 mm balanced |
4 source(s) feeding this product's score.
Video reviews we found, each condensed to its verdict. They do feed the HearWiki score, at a measured weight below what a published written review carries.
Reviewers agree the TRN TA4 is a technically capable, well-built hybrid IEM with a balanced, smooth sound signature, excellent soundstage, and a standout modular cable, making it a strong value at its price.
18:14The reviewer finds the TRN TA4 to be a technically capable IEM with excellent soundstage, layering, and detail retrieval, but notes its tuning is very balanced and warm with a dark treble and a mid-bass emphasis that can bleed into the mids. It requires a good source to drive properly and is best paired with warm-sounding gear, making it a solid but not exciting choice for those who prefer a relaxed, non-fatiguing sound.
6:45The reviewer finds the TRN TA4 to be a comfortable, well-built IEM with a balanced, mellow sound signature that is pleasant for relaxed listening, though it lacks micro-detail and dynamics. The modular cable is a standout feature at this price, and the overall audio quality is considered fair for the cost, especially for those who prefer a smooth, mid-forward tuning.
40:52The reviewer finds the TRN TA4 to be a well-executed and coherent hybrid IEM, improving on previous TRN models with a balanced W-shaped tuning and good technical performance. They praise its build, accessories, and overall sound quality, considering it a strong value at its price point, though they note minor issues like the lack of a carrying case and the plug termination.
21:25The reviewer praises the TRN TA4 as a well-balanced and smooth-sounding IEM with a fast, controlled bass and natural vocals, highlighting its excellent modular cable and good value at under $80. They note it favors female vocals slightly and has a coherent multi-driver setup, though it lacks deep sub-bass extension and has less isolation due to the semi-open back. Overall, they consider it a great tuning and a strong recommendation, especially for those prioritizing mids and highs.
Summaries are AI condensations of each video's own conclusion, not transcripts. Titles, thumbnails and view counts belong to their channels.
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