Receiver  Microphone
 Type  Dynamic  ECM
 Impedance  150 +/-30Ω  3V DC 2.2 KΩ
 Frequency characteristics  200 〜 5000 Hz  200 5000 Hz
 Rated Input  5 mW  
 Output Level  119 dB +/-5SPL  
 Sensitivity    -47 dB +/ -5 dB
 Operating Temperature  - 15℃ 〜 + 50
 Cable  1.5 m +/-0.1m
 Plug  Modular Plug 4 terminals
 Specifications

Telephone Operator headset.

Computer communication.

Hands free mobile phone conversation.

Language learning system.

Studio communication.

 Applications

Clear sound with Magnesium diaphragm

Sturdy structure

Adjustable headband

Wide choice of mic. impedance and plugs.

Flexible metal tube microphone.

 Features

ETP-A1-669-2

Telephone Headset with Magnesium Diaphragm