Feature:
All of our items are brand new.
Anti-interference and noise-free function
Two-way voice intercom communications technology, automatic identification of processing speech signals during a call does not require any action
Dedicated anti-side tone processing chip, with auto-mute function
Application of fully automated call control, outside the machine's microphone and speakers to use the integration of design and front-line system of the host to connect, easy installation
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
Application: bank, securities, hospital, bus station Where guard glass again theft is installed
Specification:
Power Adapter: Input AC 110V 60Hz US Plug. Output AC 9V 1.0A
Output Power: 2W/2W(Max)
Frequency Response: 100Hz-12kHz
Desktop Unit Dimensions: 158*87*46mm
Wall Mount Unit Dimension: 70*20mm

Trouble shooting: Whistle: Installation environment noise performance is poor, or too much other noise. Should make the distance larger between the host and the outside speaker or adjust the volume down.