Dual-Way Window Glass ​Counter Intercom Interphone Speaker System Hospital/Offic

Description

Dual-Way Talk Through Window Glass Counter Intercom For Station Office Bank
Features:
Dual-way intercommunication
Dual-way audio record
Anti-interruption and noise
Slim fit design of speaker
TECHNICAL PARAMETERS：
Voltage: DC9V
Output power: 2.3W + 0.5W 100Hz-15KHz
Current: 300mA
Microphone: -42db ± 0.5db 20Hz-16KHz
Host size: 13.5cm x 9.5cm x 5cm
Extension size: 7cm x 2cm
Description
Streamline design: The main unit has aluminum alloy shell, and the extension has built-in speaker.This system has simple connection for DIY operation.
High quality: This system has top-quality speaker and high-sensitive microphone. Especial the metal tube microphone is deal for the counter and the dual-way inter-communication.
Good performance: The voice from this system is clear,and natural.
Advance technique: For this system,we adopter the advanced microcomputer from U.S.A.
Definite instruction: The indicating lamp shows the track's working status.
Simple operation I: Easy for dual-way intercommunication without pressing button.
Simple operation II: This system haw two knobs to adjust the inside and outside volume. When the indicating lamp for audio turns green,the intercommunication could begin.
Best Choice: It suitable for the Bank, Securities Firm, Hospital, Station where the security glazing is installed.
Product Contain:
1 x Extension line
1 x main engine
1 x power supply
1 x installation accessories
Note：