耳机
| 穿戴风格方式 |
Head-band |
| 耳机耦合 |
Supraaural |
| 原声系统 |
closed |
| 阻抗 |
32 Ω |
| 耳机频率 |
8 - 22000 Hz |
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