KZ ZST
Its hybrid 10mm dynamic and balanced armature dual-driver setup delivers punchy bass and crisp highs with an 18Ω impedance for easy smartphone driving. The included patented ear fins and multiple silicone tips create a lightweight, secure fit, while the detachable OFC cable ensures zero-latency wired reliability. This IEM suits budget-focused listeners who want bass-forward rock, metal, or FPS gaming audio without needing an external amp.
Snapshot
Pros & Cons
Pros
- Strong social proof (96th percentile) 96th
- Strong sound (91st percentile) 91st
- Strong user sentiment (80th percentile) 80th
- Strong comfort (72nd percentile) 72nd
Cons
- Below average anc (32nd percentile)
- Below average build (35th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 13 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Ear Tips | S, M, L |
| Weight | 0.1 kg / 0.1 lbs |
Audio
| Driver Type | hybrid |
| Driver Size | 10 |
| Drivers | 2 |
| Freq Min | 20 |
| Freq Max | 20000 |
| Impedance | 18 |
| Sensitivity | 106 |
| Hi-Res Audio | Yes |
| Codecs | Yinyoo Hybrid Earphones KZ ZST Balanced Armature+Dynamic Dual Driver Stereo in Ear Headphone HiFi Bass Headset in-Ear Earphones (No mic, Black) |
Connectivity
| Wireless | No |
Microphone
| Microphone | Yes |
Features
| Touch Controls | Yes |
| Gaming Mode | Yes |
vs Competition
| Spec | KZ ZST | EarFun Air Pro TW230B | JLab Jbuds Pods ANC | JBL Live Free 2 | TOZO Crystal Pods | Nothing Buds 2 |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | hybrid | dynamic | dynamic | dynamic | dynamic | dynamic |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Bluetooth Version | - | 5.4 | 5.4 | 5.2 | 5.4 | 5.4 |
| Battery Life Hours | - | 9.5 | 10 | 7 | 7 | 13.5 |
| Case Battery Hours | - | 40 | 56 | 28 | 35 | 55 |
| Water Resistance | - | IP55 | IP55 | IPX5 | IPX5 | IP55 |
| Multipoint | - | true | true | true | true | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| KZ ZST | 31.6 | 43 | 34.6 | 90.9 | 47.1 | 71.6 | 79.5 | 45.1 | 95.9 |
| EarFun Air Pro TW230B Compare | 90.1 | 97.2 | 91.7 | 89.3 | 87.9 | 71.6 | 96.9 | 93.2 | 89.6 |
| JLab Jbuds Pods ANC Compare | 93.2 | 97.2 | 91.7 | 78.8 | 95.7 | 71.6 | 91.6 | 96.7 | 80.3 |
| JBL Live Free 2 Compare | 97.3 | 97.2 | 91.7 | 82.8 | 80 | 94.2 | 49.3 | 99.1 | 80.3 |
| TOZO Crystal Pods Compare | 93.2 | 91.2 | 91.7 | 90.9 | 84.7 | 71.6 | 96.9 | 96.7 | 80.3 |
| Nothing Buds 2 Compare | 93.2 | 97.2 | 91.7 | 70.6 | 96.5 | 71.6 | 91.6 | 88 | 80.3 |
Price
Value & Pricing
Amazon.es 1 offer From €20
We started tracking prices for this product on Jul 18, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
