Koss T55959
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 (88th percentile) 88th
- Strong social proof (80th percentile) 80th
- Strong user sentiment (71st percentile) 71st
Cons
- Below average mic (18th percentile)
- Below average anc (32nd 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 |
| 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 T55959 | Bowers & Wilkins Px8 S2 | Sennheiser HDB 630 | Sony ULT WEAR WHULT900N/B | Apple AirPods Max Midnight | Technics EAH-A800 |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | - | 40 | 42 | 40 | 40 | 40 |
| Impedance Ohms | 16 | - | 480 | 314 | 16 | 34 |
| 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 | - | 5.3 | 5.2 | 5.2 | 5.0 | 5.2 |
| Battery Life Hours | - | 30 | 60 | 30 | 20 | 50 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Koss T55959 | 32.1 | 18.1 | 35 | 40.8 | 44.7 | 87.7 | 70.6 | 47.4 | 80.3 |
| Bowers & Wilkins Px8 S2 Compare | 98 | 99.3 | 95.7 | 99.4 | 76.1 | 53.7 | 87.1 | 97.7 | 98.4 |
| Sennheiser HDB 630 Compare | 98 | 85.3 | 77.8 | 98.2 | 90.7 | 46.5 | 87.1 | 93.8 | 87.5 |
| Sony ULT WEAR WHULT900N/B Compare | 98 | 85.3 | 77.8 | 95.6 | 76.1 | 53.7 | 70.6 | 98.9 | 87.5 |
| Apple AirPods Max Midnight Compare | 98 | 83.2 | 92.4 | 93.2 | 69.8 | 32.3 | 87.1 | 94.4 | 98.4 |
| Technics EAH-A800 Compare | 93.4 | 98.3 | 77.8 | 97.2 | 85.9 | 53.7 | 52.9 | 97.4 | 60 |
Price
Value & Pricing
Amazon.com.mx 1 offer From MX$771
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
