耳机
| 耳机耦合 |
Intraaural |
| 耳机灵敏度 |
108 dB |
| 阻抗 |
32 Ω |
| 耳机频率 |
20 - 20000 Hz |
RA-A21/31/60 Series Black & White
Ultralight stereo headset with neck strap Series 21/31/60.
- Neck strap.
- Lightweight earphones.
- Jack 3.5 mm connector.
- Frequency response: 20
- 20000 Hz.
- Sensitivity: 108±5 dB (@1Khz).
- Impedance: 32 Ohm.