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 £19
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 | Soundcore P31i | Anker Space A40 A3936 | JLab Jbuds Pods ANC | EarFun Air Pro TW230B | TOZO Crystal Pods |
|---|---|---|---|---|---|---|
| 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 | - | 6.0 | 5.2 | 5.4 | 5.4 | 5.4 |
| Battery Life Hours | - | 10 | 10 | 10 | 9.5 | 7 |
| Case Battery Hours | - | 50 | 50 | 56 | 40 | 35 |
| Water Resistance | - | IP55 | IPX4 | IP55 | IP55 | IPX5 |
| Multipoint | - | - | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| KZ ZST | 31.8 | 44 | 35 | 91.5 | 48.8 | 79.9 | 47.1 | 96.2 |
| Soundcore P31i Compare | 90.6 | 97.4 | 91.9 | 97.4 | 94.2 | 97.2 | 87.5 | 90.3 |
| Anker Space A40 A3936 Compare | 97.4 | 97.4 | 81.4 | 94.9 | 94.2 | 79.9 | 97.4 | 73.1 |
| JLab Jbuds Pods ANC Compare | 93.5 | 97.4 | 91.9 | 80.1 | 95.7 | 92.1 | 97.1 | 81.4 |
| EarFun Air Pro TW230B Compare | 90.6 | 97.4 | 91.9 | 90 | 88.1 | 97.2 | 93.9 | 90.3 |
| TOZO Crystal Pods Compare | 93.5 | 91.9 | 91.9 | 95.4 | 84.9 | 97.2 | 97.1 | 81.4 |
Price
Value & Pricing
From £19
Amazon.co.uk 1 offer From £19
We started tracking prices for this product on May 25, 2026. The chart appears once we have more data.
