Just Try It. /b br br Specification: /b br Working voltage: AC9V/1A br Main sound (sub sound): 3W br Inside microphone: -48db 20Hz-20KHz br Outside microphone: -48db 20Hz-16KHz br Exterior size: 158x87x46mm / 78x20mm br br Hot Spots: /b br Streamline design. Main unit is made of ...Just Try It.
/b br br Specification: /b br Working voltage: AC9V/1A br Main sound (sub sound): 3W br Inside microphone: -48db 20Hz-20KHz br Outside microphone: -48db 20Hz-16KHz br Exterior size: 158x87x46mm / 78x20mm br br Hot Spots: /b br Streamline design. Main unit is made of luxurious aluminum alloy and internal microphone for extension. One-wire connection and simple installation br Window speaker for main unit and extension.
High sensitive microphone. Longer metal tube microphone for dual-way intercommunication br Adjustable volume with separate switch br Auto dual-way intercommunication without pressing any button br External speaker, slim fit design br Anti-interference and noise-free function br 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 br 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 br br Application: bank, securities, hospital, bus station Where guard glass again theft is installed /b br br What is in box: /b br 1 x Retevis RT-9908 Dual-way counter interphone br 1 x External speaker br 1 x Charger br br