Koss 21299195352
The stainless steel chassis and detachable interchangeable cord system offer uncommon durability and repairability for a wired in-ear monitor. Its Hi-Res capable dynamic driver and included foam cushions provide a noise-isolating fit, though its 28/100 music score indicates a non-reference tuning. This earbud is best for users who prioritize a rugged, modular build for daily utility over critical listening.
form factor in-ear
driver type dynamic
25 Overall Score
Price MX$2,257
Snapshot
Pros & Cons
Pros
- Strong sound (77th percentile) 77th
Cons
- Below average connectivity (14th percentile)
- Below average user sentiment (16th percentile)
- Below average comfort (28th percentile)
- Below average social proof (31st 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 cooled since launch
65/100Our AI sentiment read
Based on 7 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 Silicone Cushions and S & M Foam Cushions |
| Weight | 0.2 kg / 0.5 lbs |
Audio
| Driver Type | dynamic |
| Freq Min | 10 |
| Freq Max | 25000 |
| Impedance | 16 |
| Sensitivity | 98 |
| Hi-Res Audio | Yes |
| Codecs | Koss KEB90 Utility Earbud, Detachable Interchangeable Cord System, Noise Isolation Design, Stealth Grey |
Noise Control
| ANC | No |
| Transparency | No |
Microphone
| Microphone | Yes |
Features
| Touch Controls | No |
vs Competition
| Spec | Koss 21299195352 | Technics EAH-AZ100 EAH-AZ100-S | Sony WF-C700N WFC700N/B | 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 | - | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Bluetooth Version | - | 5.3 | 5.2 | 5.3 | 5.3 | 5.4 |
| Battery Life Hours | - | 8 | 15 | 6 | 12 | 9.5 |
| Case Battery Hours | - | 28 | 15 | 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 | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Koss 21299195352 | 31.6 | 43 | 34.6 | 76.9 | 47.1 | 28.2 | 15.9 | 13.7 | 31.3 |
| Technics EAH-AZ100 EAH-AZ100-S Compare | 97.3 | 97.2 | 80.7 | 99 | 81.6 | 71.6 | 79.9 | 99.8 | 80.3 |
| Sony WF-C700N WFC700N/B Compare | 97.3 | 82.6 | 80.7 | 81.9 | 81.6 | 71.6 | 97.1 | 89 | 72 |
| Bose QuietComfort Ultra 896637-0020 Compare | 97.3 | 91.2 | 80.7 | 96.7 | 47.1 | 71.6 | 49.9 | 97.9 | 89.6 |
| JBL Live Beam JBLLIVEBEAM3SILAM Compare | 97.3 | 97.2 | 91.8 | 81.9 | 90.8 | 71.6 | 0 | 96.2 | 89.6 |
| EarFun Air Pro TW230B Compare | 90.1 | 97.2 | 91.8 | 89.3 | 87.9 | 71.6 | 97.1 | 93.2 | 89.6 |
Price
Value & Pricing
From MX$2,257
Amazon.com.mx 1 offer From MX$2,257
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
