High Quality Binaural Rj9 Call Center Telephone Headset with Qd and mute
| 1) Driver unit: 30mm mylar speaker | ||||||||
| 2) Frequency: 20-20KHz | ||||||||
| 3) Impedance: 150 ohms / 2.2Kohms | ||||||||
| 4) Sensitivity (at 1KHz): 105dB (+/-5dB) | ||||||||
| 5) Resonance frequency (Fo): 300Hz | ||||||||
| 6) Freqency response: Fo-6KHz | ||||||||
| 7) Max input power: 10mW | ||||||||
| 8) Mic sensitivity: -58dB or -40dB | ||||||||
| 9) Plug: 2.5mm stereo (or RJ 9 Jack / USB plug) |