Wired IEMs
KZ ZS4
66Good
$19
Full review dataKZ ZS4 vs TRUTHEAR HEXA: which should you buy?
On aggregated review scores the TRUTHEAR HEXA comes out ahead with an HearWiki score of 78. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: TRUTHEAR HEXA - Great overall at around $25.
Wired IEMs
TRUTHEAR HEXA
78Great
$25
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
KZ ZS4
Sound6.5
Value7.5
TRUTHEAR HEXA
Sound7.8
Value8.2
Specifications
| Spec | KZ ZS4 | TRUTHEAR HEXA |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $19 | $25 |
| HearWiki score | 66 / 100 · Good | 78 / 100 · Great |
| Released | 2026 | 2022 |
| Audio | ||
| Driver | 1 balanced armature + 1 dynamic driver | 1DD+3BA Hybrid |
| Driver size | 8 mm | 10 mm |
| Drivers per side | 2 | 4 |
| Frequency response | 20Hz-40kHz | 20Hz-20kHz |
| Impedance | 18 Ω | 20.5 Ω |
| Sensitivity | 101 dB/mW | 120 dB/mW |
| Wireless | ||
| Multipoint pairing | - | No |
| Battery | ||
| Wireless charging | No | - |
| Features | ||
| Active noise cancelling | - | No |
| ANC type | none | - |
| Transparency mode | No | - |
| Companion app | No | - |
| Custom EQ | No | - |
| Wear detection | No | - |
| Controls | buttons | - |
| Voice assistant | with microphone | - |
| Design | ||
| Weight | 23 g | 6 g |
| Detachable cable | - | Yes |
| USB-C | No | No |
| Calls | ||
| Microphones | 1 | - |
What reviewers said
KZ ZS4
The KZ ZS4 is a budget-friendly hybrid earphone combining a balanced armature with an 8mm dynamic driver for an energetic, bass-forward sound. It offers strong detail retrieval and a comfortable fit for the price, but its V-shaped tuning prioritizes excitement over neutrality. This makes it a fun choice for bass and treble enthusiasts, though purists may find its signature too assertive.
- Pro:Very affordable price-to-performance ratio
- Pro:Energetic, bass-forward sound with clear highs
- Pro:Comfortable and lightweight fit
- Con:V-shaped tuning can cause midrange bleed
- Con:Bass can be overly assertive for some tastes
- Con:Bright treble may come across as harsh
TRUTHEAR HEXA
The TRUTHEAR HEXA is a hybrid in-ear monitor that combines a single 10mm dynamic driver with three balanced armatures to deliver a balanced, neutral-leaning sound with a slight warmth. Priced around $90, it offers a comfortable fit, solid build, and good passive isolation, making it a strong value pick for critical listening, though its bass response is somewhat restrained and the soundstage feels intimate rather than expansive. Its technical performance is competent for the price, but it's not particularly suited for gaming or high-energy activities.
- Pro:Comfortable and lightweight design
- Pro:Excellent passive noise isolation
- Pro:Balanced, neutral tuning with a touch of warmth
- Con:Bass is somewhat restrained
- Con:Soundstage is fairly intimate
- Con:Not ideal for gaming due to mediocre imaging
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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