Headphones
| Wearing style |
Head-band |
| Ear coupling |
Supraaural |
| Acoustic system |
closed |
| Impedance |
32 Ω |
| Headphone frequency |
8 - 22000 Hz |
Additionally
| Wireless technologies |
Wired |
Trevi HTV 639. Ear coupling: Supraaural, Wearing style: Head-band, Headphone frequency: 8 - 22000 Hz. Connectivity technology: Wired, Cable length: 4 m. Colour of product: White. Weight: 230 g. Headphone connectivity: 3.5 mm, Sensitivity: 105 dBmW