Koss UR20
Neodymium drivers deliver an 18Hz-24kHz frequency response, 16-ohm impedance, and 97dB sensitivity, producing clear treble and deep bass from a lightweight 50g frame. The flexible sling headband allows single-sided monitoring and withstands daily wear, while the 8-foot cord suits home stereo or DJ booth setups. Best for budget-minded DJs and casual listeners needing a durable, long-cord wired headphone, but poor isolation limits it for calls and gaming.
Snapshot
Pros & Cons
Pros
- Strong comfort (87th percentile) 87th
- Strong social proof (75th percentile) 75th
- Strong user sentiment (70th percentile) 70th
Cons
- Below average mic (15th percentile)
- Below average anc (30th percentile)
- Below average sound (34th percentile)
- Below average build (34th 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.
Based on 9 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Weight | 0.1 kg / 0.1 lbs |
| Ear Cushion | Leatherette |
| Headband | Mesh |
Audio
| Driver Type | Dynamic Driver |
| Freq Min | 18 |
| Freq Max | 24000 |
| Impedance | 16 |
| Sensitivity | 97 |
| Codecs | Koss UR20 Over-Ear Headphones, Flexible Sling Headband, Black |
Connectivity
| Wireless | No |
| Wired Connector | 3.5mm |
| Cable Length | 2.4 |
Features
| Touch Controls | Yes |
vs Competition
| Spec | Koss UR20 | Sony ULT WEAR WHULT900N/B | Sennheiser MOMENTUM 4 M4AEBT | JBL Live 770NC | QCY H3 H3 | Bose QuietComfort 884367-0100 |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | Dynamic Driver | dynamic | Dynamic | Dynamic | dynamic | Dynamic |
| Driver Size (mm) | - | 40 | 42 | 40 | 40 | - |
| Impedance Ohms | 16 | 314 | 60 | 32 | 32 | 32 |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Open Closed Back | - | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.2 | 5.2 | 5.3 | 5.4 | 5.1 |
| Battery Life Hours | - | 30 | 60 | 65 | 60 | 24 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Koss UR20 | 30.3 | 15.2 | 34.2 | 34.2 | 43.3 | 86.6 | 69.8 | 40.9 | 74.5 |
| Sony ULT WEAR WHULT900N/B Compare | 97.5 | 84.8 | 76.7 | 95.1 | 71.7 | 50.3 | 69.8 | 98.8 | 97.5 |
| Sennheiser MOMENTUM 4 M4AEBT Compare | 97.5 | 84.8 | 76.7 | 97.6 | 88.9 | 79.2 | 0 | 98.8 | 59.5 |
| JBL Live 770NC Compare | 97.5 | 78.1 | 97.2 | 84.6 | 91.4 | 50.3 | 69.8 | 99.9 | 91.5 |
| QCY H3 H3 Compare | 92.1 | 82.4 | 76.7 | 85.6 | 84.6 | 86.6 | 69.8 | 96.5 | 83.2 |
| Bose QuietComfort 884367-0100 Compare | 92.1 | 66.2 | 92.2 | 42.7 | 68 | 13.2 | 96.2 | 92.2 | 97.5 |
Price
Value & Pricing
Amazon.co.jp 1 offers From ¥6,300
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
