China High Quality Binaural Rj9 Call Center Noise Cancelling Telephone Headset, Find details and Price about China Call Center Telephone Headset, Noise Cancelling Headset from High Quality Binaural Rj9 Call Center Noise Cancelling Telephone Headset
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) |