Wired IEMs
KZ ZVX
72Good
$20
Full review dataKZ ZVX vs TRN ST2: which should you buy?
On aggregated review scores the KZ ZVX comes out ahead with an HearWiki score of 72. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: KZ ZVX - Good overall at around $20.
Wired IEMs
TRN ST2
62Average
$13
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
KZ ZVX
Sound7.0
Value8.0
TRN ST2
Sound6.0
Calls5.5
Value7.0
Specifications
| Spec | KZ ZVX | TRN ST2 |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $20 | $13 |
| HearWiki score | 72 / 100 · Good | 62 / 100 · Average |
| Released | 2024 | 2020 |
| Audio | ||
| Driver | 10mm dual-cavity dynamic driver | hybrid |
| Driver size | 10 mm | 10 mm |
| Drivers per side | 1 | 2 |
| Frequency response | 20Hz-40kHz | 20Hz-20000Hz |
| Impedance | 25 Ω | 22 Ω |
| Sensitivity | 109 dB/mW | 107 dB/mW |
| Wireless | ||
| Multipoint pairing | - | No |
| Battery | ||
| Wireless charging | No | - |
| Features | ||
| Active noise cancelling | - | No |
| Companion app | No | - |
| Custom EQ | No | - |
| Wear detection | No | - |
| Controls | buttons | buttons |
| Design | ||
| Weight | - | 9.2 g |
| Detachable cable | Yes | - |
| USB-C | No | - |
| Calls | ||
| Microphones | - | 1 |
What reviewers said
KZ ZVX
The KZ ZVX is a budget-friendly wired IEM that punches well above its price class, offering a detailed and clean sound signature from its single 10mm dual-cavity dynamic driver. It's easy to drive with any source, making it a strong value pick for beginners, though its timbre can sound slightly unnatural and note decay is a bit quick. Build quality is solid for the price, and the detachable cable adds practical flexibility.
- Pro:Excellent price-to-performance ratio
- Pro:Detailed and clean sound for the price
- Pro:Easy to drive with low impedance and high sensitivity
- Con:Timbre can sound slightly off
- Con:Note decay is faster than natural
- Con:No app support or EQ options
TRN ST2
The TRN ST2 is a budget hybrid in-ear monitor that delivers a punchy low end and a broad soundstage for its modest price. Its clean mids and defined bass make it appealing for certain listeners, though its upper-range tuning may come across as bright or harsh to some ears. It also includes a microphone and offers a light, comfortable fit with minimal cable noise.
- Pro:Strong bass presence and clear mids
- Pro:Wide soundstage for the price
- Pro:Lightweight and comfortable to wear
- Con:Upper mids and lower treble can sound splashy or fatiguing
- Con:Tuning may not suit all listeners
- Con:Build and accessories are basic for the price
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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