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.
form factor in-ear
driver type hybrid
49 Overall Score
Price ¥0
Snapshot
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.
Owner sentiment has improved over time
85/100Our AI sentiment read
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 | Technics EAH-AZ100 EAH-AZ100-K | Samsung Galaxy Buds3 Pro | Sony WF-1000XM6 | Bose QuietComfort Ultra 896637-0010 | Apple AirPods Pro 3 |
|---|---|---|---|---|---|---|
| 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 | - | 5.3 | 5.4 | 5.3 | 5.3 | 5.3 |
| Battery Life Hours | - | 8 | 6 | 8 | 6 | 8 |
| Case Battery Hours | - | 28 | 26 | 24 | 18 | 24 |
| Water Resistance | - | IPX4 | IP57 | IPX4 | IPX4 | IP57 |
| Multipoint | - | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| KZ ZST | 32 | 44.9 | 35 | 91.5 | 49.4 | 73.3 | 79.9 | 47.9 | 95.9 |
| Technics EAH-AZ100 EAH-AZ100-K Compare | 97.5 | 97.5 | 81.4 | 99.1 | 82.9 | 73.3 | 92.1 | 99.2 | 80.7 |
| Samsung Galaxy Buds3 Pro Compare | 97.5 | 97.5 | 98.9 | 93.6 | 77.8 | 94.6 | 79.9 | 99.6 | 89.8 |
| Sony WF-1000XM6 Compare | 97.5 | 99.8 | 81.4 | 89.2 | 80 | 73.3 | 79.9 | 99.2 | 80.7 |
| Bose QuietComfort Ultra 896637-0010 Compare | 97.5 | 92.1 | 81.4 | 97 | 49.4 | 94.6 | 92.1 | 98.1 | 89.8 |
| Apple AirPods Pro 3 Compare | 97.5 | 84.3 | 98.9 | 91.5 | 80 | 94.6 | 31.6 | 99.6 | 99.4 |
