Window Speaker System Window Microphone and Speaker Bank Intercom Dual Way Counter Interphone Anti Interference Noise Glass Counter Intercom for Bank Station Office Hospital Ticket Booth

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   Specification: 1. Material: space aluminum shell 2. Color: Silver 3. Voltage: DC9V 4. Host size: 135mm*95mm*5mm 5. Extension size:70mm*20mm 6. Electric current:300mA 7. Output power:2.3W±0.5W,100HZ-15KHZ 8. Microphone?-42db±0.5db 20HZ-16KHZ   Package List: 1*Dual-way Counter Interphone 1*External Speaker 1*Power Supply 2*Adhesive 1*Instruction Manual