Wired IEMs
KZ ES4
Not yet scored
$10
Full review dataKZ ES4 vs TRUTHEAR HOLA: which should you buy?
Specs, scores and condensed review verdicts for the KZ ES4 vs TRUTHEAR HOLA, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
Wired IEMs
TRUTHEAR HOLA
72Good
$19
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
KZ ES4
No sub-scores yet - not enough rated reviews.
TRUTHEAR HOLA
Sound7.0
Value8.0
Specifications
| Spec | KZ ES4 | TRUTHEAR HOLA |
|---|---|---|
| Type | Wired IEMs | Wired IEMs |
| Price (USD) | $10 | $19 |
| HearWiki score | Not scored | 72 / 100 · Good |
| Released | 2019 | 2022 |
| Audio | ||
| Driver | 1 balanced armature + 10mm dynamic driver | 11mm Dynamic Driver |
| Driver size | 10 mm | 11 mm |
| Drivers per side | 2 | 1 |
| Frequency response | 20-40,000Hz | 20Hz-20kHz |
| Impedance | 25 Ω | 28 Ω |
| Sensitivity | 104 dB/mW | 104.5 dB/mW |
| Wireless | ||
| Bluetooth | none | - |
| Multipoint pairing | No | - |
| Features | ||
| Controls | - | buttons |
| Design | ||
| Weight | 20 g | - |
| Foldable | - | No |
| Detachable cable | Yes | Yes |
| USB-C | - | No |
What reviewers said
KZ ES4
The KZ ES4 is an affordable hybrid in-ear monitor that pairs a 10mm dynamic driver for low-end punch with a balanced armature for detailed upper frequencies. Its sound signature leans heavily toward bass emphasis with a crisp, forward treble, all housed in a lightweight plastic shell with replaceable cables. While it offers impressive clarity for the price, the tuning may feel overly aggressive to those seeking a neutral response.
- Pro:Strong, impactful bass for the price
- Pro:Clear and detailed treble presentation
- Pro:Detachable cable allows easy upgrades
- Con:Bass can overpower midrange at times
- Con:Treble may be harsh for sensitive listeners
- Con:Plastic build feels less premium
TRUTHEAR HOLA
The TRUTHEAR HOLA is an ultra-affordable single-dynamic IEM that offers a warm, easygoing sound signature with solid bass texture and good imaging for the price. It delivers strong value through a coherent, pleasant tuning and comfortable fit, though it doesn't push technical boundaries and has a few tonal quirks in the treble and vocals.
- Pro:Excellent value for the price
- Pro:Comfortable and lightweight shell
- Pro:Warm, textured bass response
- Con:Noticeable sibilance in treble
- Con:Female vocals can sound veiled
- Con:Clarity suffers in dense tracks
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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