Yinyoo Storm kbear
A 10mm dynamic driver with a PEEK+PU composite diaphragm delivers a transparent, natural sound signature that outperforms typical budget IEMs like the KZ ZSN Pro. The custom-molded, ergonomic cavity is ultra-lightweight and skin-friendly, ensuring comfort during extended wear for stage use or workouts. These wired monitors are best for drummers, bassists, and budget-conscious musicians needing a reliable, Hi-Res capable earphone with a detachable silver-plated cable.
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.
Based on 12 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Wearing Style | in-ear |
| Ear Tips | 6 pairs of silicone ear tips |
| Weight | 0.1 kg / 0.1 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 10 |
| Impedance | 30 |
| Hi-Res Audio | Yes |
| Codecs | YINYOO KBEAR Storm Professional in Ear Monitor Earphones for Singers Drummers Musicians Bassists, Custom Wired Earbuds in Ear Headphones IEM, Hi Res Detachable OFC Silver-Plated Cable |
Connectivity
| Wireless | No |
Microphone
| Microphone | No |
vs Competition
| Spec | Yinyoo Storm kbear | Technics EAH-AZ100 EAH-AZ100-S | Sony WF-1000XM6 | Bose QuietComfort Ultra 896637-0020 | JBL Live Beam JBLLIVEBEAM3SILAM | EarFun Air Pro TW230B |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Bluetooth Version | - | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 |
| Battery Life Hours | - | 8 | 8 | 6 | 12 | 9.5 |
| Case Battery Hours | - | 28 | 24 | 18 | 36 | 40 |
| Water Resistance | - | IPX4 | IPX4 | IPX4 | IP55 | IP55 |
| Multipoint | - | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Yinyoo Storm kbear | 32 | 14.6 | 35 | 74.8 | 49.4 | 97.1 | 13.6 | 95.9 |
| Technics EAH-AZ100 EAH-AZ100-S Compare | 97.5 | 97.5 | 81.4 | 99.1 | 82.9 | 80 | 99.9 | 80.7 |
| Sony WF-1000XM6 Compare | 97.5 | 99.8 | 81.4 | 89.2 | 80 | 80 | 99.2 | 80.7 |
| Bose QuietComfort Ultra 896637-0020 Compare | 97.5 | 92 | 81.4 | 97 | 49.4 | 50 | 98.1 | 89.8 |
| JBL Live Beam JBLLIVEBEAM3SILAM Compare | 97.5 | 97.5 | 92 | 83.2 | 91.5 | 0 | 96.5 | 89.8 |
| EarFun Air Pro TW230B Compare | 90.8 | 97.5 | 92 | 90.1 | 88.7 | 97.1 | 93.8 | 89.8 |
Price
Value & Pricing
Amazon.co.jp 1 offer From ¥4,666
We started tracking prices for this product on Jul 18, 2026. The chart appears once we have more data.
