耳机
| 耳机耦合 |
Supraaural |
| 耳机灵敏度 |
105 dB |
| 耳机频率 |
20 - 20000 Hz |
| 阻抗 |
32 Ω |
麦克风
| 麦克风灵敏度 |
58 dB |
| 麦克风频率 |
30 - 16 Hz |
| 麦克风输入阻抗 |
2.2 Ω |
Phoenix Technologies PHFREETALKR. Connectivity technology: Wired, Cable length: 2.2 m. Ear coupling: Supraaural, Headphone frequency: 20 - 20000 Hz, Impedance: 32 Ω. Microphone frequency: 30 - 16 Hz, Microphone sensitivity: 58 dB, Microphone input impedance: 2.2 Ω