Wired IEMs
KZ Ling Long
72Good
$16
Full review dataKZ Ling Long vs TRN CS2: which should you buy?
On aggregated review scores the KZ Ling Long 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 Ling Long - Good overall at around $16.
Wired IEMs
TRN CS2
68Good
$9
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
KZ Ling Long
Sound7.0
Value8.0
TRN CS2
Sound6.5
Value8.0
Specifications
| Spec | KZ Ling Long | TRN CS2 |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $16 | $9 |
| HearWiki score | 72 / 100 · Good | 68 / 100 · Good |
| Released | 2024 | 2020 |
| Audio | ||
| Driver | XUN-6 external magnetic dynamic unit | dynamic |
| Driver size | 6 mm | 10 mm |
| Drivers per side | 1 | 1 |
| Frequency response | 20Hz-40kHz | 20Hz-20kHz |
| Impedance | 25 Ω | 22 Ω |
| Sensitivity | 103 dB/mW | 118 dB/mW |
| Wireless | ||
| Bluetooth | - | none |
| Multipoint pairing | No | No |
| Features | ||
| Active noise cancelling | No | No |
| Controls | none | buttons |
| Design | ||
| Weight | 83 g | 21 g |
| Detachable cable | Yes | - |
| USB-C | No | - |
What reviewers said
KZ Ling Long
The KZ Ling Long is a budget-friendly wired IEM with a compact bullet-style shell and a warm, engaging sound signature. It offers solid build quality and good value, though its technical abilities are modest and it can get congested on complex tracks. Its open-back-inspired design gives a notably spacious soundstage for the price, but clarity and refinement are not its strengths.
- Pro:Very good build quality for the price
- Pro:Warm, enjoyable tuning with solid bass
- Pro:Spacious soundstage for an inexpensive IEM
- Con:Average technical performance and detail retrieval
- Con:Can sound congested on busy, dense music
- Con:No inline controls or microphone
TRN CS2
The TRN CS2 is a very affordable single-dynamic-driver wired earphone that punches above its price with a balanced, lively sound signature and a sturdy build. Its lightweight, colorful shell and straightforward controls make it a practical, entry-level pick for budget-conscious listeners who want a no-fuss daily driver.
- Pro:Excellent value for the price
- Pro:Balanced and easy-going sound
- Pro:Lightweight and durable construction
- Con:Limited accessory package
- Con:No detachable cable
- Con:Treble can be slightly rolled off for some listeners
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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