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.
form factor over-ear
driver type dynamic
impedance ohms 16
44 Overall Score
Price €40
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.
Owner sentiment has held steady over time
85/100Our AI sentiment read
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 | Sony ULT WEAR WHULT900N/B | Soundcore Life Q20 | TOZO HT3 | JBL Live 770NC | Truefree HF-10 |
|---|---|---|---|---|---|---|
| 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 | 40 | 40 | 40 | 40 |
| Impedance Ohms | 16 | 314 | 16 | 16 | 32 | 20 |
| 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 | 5.0 | 6.0 | 5.3 | 6.0 |
| Battery Life Hours | - | 30 | 60 | 90 | 65 | 125 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Koss T55959 | 33.6 | 20.6 | 37.9 | 52.8 | 52.6 | 91 | 70.6 | 55.1 | 83.4 |
| Sony ULT WEAR WHULT900N/B Compare | 98.5 | 89.4 | 81.4 | 96.9 | 82.1 | 62.1 | 70.6 | 99.2 | 89.6 |
| Soundcore Life Q20 Compare | 95.2 | 89.4 | 89.7 | 100 | 93.1 | 91 | 95.9 | 91.7 | 89.6 |
| TOZO HT3 Compare | 92 | 89.4 | 96.3 | 99.2 | 98.1 | 62.1 | 95.9 | 97.7 | 95 |
| JBL Live 770NC Compare | 98.5 | 84.9 | 93.8 | 89.3 | 94.6 | 62.1 | 70.6 | 100 | 95 |
| Truefree HF-10 Compare | 95.2 | 89.4 | 96.3 | 87.2 | 99.8 | 85.8 | 87.1 | 96.4 | 95 |
Price
Value & Pricing
From €40
