On sale 42%
KZ 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
45 Overall Score
Price $17
Snapshot
Pros & Cons
Pros
- Strong comfort (93th percentile) 93th
- Strong sound (89th percentile) 89th
- Strong user sentiment (79th percentile) 79th
Cons
- Below average anc (29th percentile)
- Below average build (33th 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.
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 | 0.0 kg / 0.0 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 KZ ZST | EarFun Air Pro Air Pro 4+ | Soundcore Soundcore P31i | JBL Endurance Race Endurance Race 2 | Sony WI-C100 WI-C100 | Sennheiser ACCENTUM Open Accentum Open |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | open-ear |
| Driver Type | hybrid | hybrid | Dynamic Driver | Dynamic | Dynamic | dynamic |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | false |
| Bluetooth Version | - | 6.0 | 6.1 | 5.3 | 5.0 | 5.3 |
| Battery Life Hours | - | 12 | 10 | 12 | 25 | 6 |
| Case Battery Hours | - | 54 | 50 | 36 | 25 | 28 |
| Water Resistance | - | IP55 | IP55 | IP68 | IPX4 | IPX4 |
| Multipoint | - | true | - | true | false | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| KZ KZ ZST | 28.9 | 35.4 | 33.3 | 89.2 | 47 | 93.3 | 79.1 | 37.5 | 39.8 |
| EarFun Air Pro Air Pro 4+ Compare | 96.7 | 96.8 | 91 | 99.8 | 95.9 | 70.6 | 97.3 | 99.3 | 95.5 |
| Soundcore Soundcore P31i Compare | 88.3 | 96.8 | 91 | 96.6 | 93.9 | 70.6 | 91.9 | 84.6 | 95.5 |
| JBL Endurance Race Endurance Race 2 Compare | 88.3 | 90 | 98.8 | 45.6 | 88.6 | 93.3 | 97.3 | 96.3 | 90.6 |
| Sony WI-C100 WI-C100 Compare | 70.4 | 65.4 | 78.6 | 67.7 | 95.1 | 70.6 | 0 | 72.8 | 91.5 |
| Sennheiser ACCENTUM Open Accentum Open Compare | 60.5 | 80.1 | 78.6 | 77.6 | 73.8 | 93.3 | 0 | 93.7 | 93.2 |
Price
Value & Pricing
From $17
Amazon 2 offers From $17
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
