Working voltage: AC9V/1A
Main sound (sub sound): 3W
Inside microphone: -48db 20Hz-20KHz
Outside microphone: -48db 20Hz-16KHz
Exterior size: 158x87x46cm/78x20 mm
Streamline design. Main unit is made of luxurious aluminum alloy and internal microphone for extension. One-wire connection and simple installation.
* High quality speaker for main unit and extension. High sensitive microphone. Longer metal tube microphone for dual-way intercommunication;
* Adjustable volume with separate switch.
* Auto dual-way intercommunication without pressing any button;
* External speaker, slim fit design;
* Anti-interference and noise-free function;
* Comprehensive application of electro-acoustic technology experience, the selection of high performance electro-acoustic circuit design, the output power up to 3W, voice clear and loud voice distinguished high;
* Inside and outside the two-way voice signal output(recording by the bank teller), a stereo jack output mode can prevent voice recording function controlled by the power switch and the function buttons
bank, securities, hospital, bus station Where guard glass again theft is installed