【Voice Communication Dual-way intercommunication】The Window speaker intercom system adopts auto dual-way intercommunication technology,automatic indentification of processing speech signals during a call dose not require any action 【Knob Voice Adjustment】Bank window intercom system has the ability to adjust the volume on the both sides; And knob design can be more convenient to operate; Less static noise or hollow sounding 【High-sensitive Microphone, Loud and Clear Voice】 This window intercom systems speakers for business adopt the advanced microcomputer. It has good speaker and high-sensitive microphone. Especial the microphone is deal for the counter and the dual-way inter-communication.The voice from this system is clear,and natural, anti-interruption and noise 【Easy to use】Just need to connect with power adapter and outside speaker to the main station; the microphone cable is flexible 【Wildly Application】Intercom system for office, car, business, restaurant, windows hospitals, banks, counter intercom interphone, food truck window speaker, intercom speaker for truck, reception window speaker

Features:

1.Auto dual-way intercommunication without pressing any button,anti-interference and noise-free function

2.Special anti-side tone processing chip, with automatic squelch function, and can effectively eliminate the squeal

3.With unique circuit and design , in the same time period only one side can speak, and the other side will be not allow to speak, so as to ensure the both sides can clearly hear the expression of each other

4.With recorder jack, can output both route's sound and signal

5.Adopts high-powered microphone, elegant appearance, the voice is lifelike and clear; the volume of master station and substation can be adjusted separately

6.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

Specifications:

Working Voltage: DC12V  Max.Working Current:200mA

Output Power:  2W+3W    Microphone sensitivity:55dB±2dB

No Distortion Frequency:10Hz-15KHz   Outer Box Size:14.5cm*13cm*10.5cm

Package List:

1*Dual-way Counter Interphone

1*External Speaker

1*Power Supply

4*Adhesive

1*Instruction Manual