China High Quality Binaural Rj9 Call Center Telephone Headset with Qd and Mute, Find details and Price about China Telephone Headset, Telephone Headphone from 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) |