Bank Counter Window Intercom System Dual-way Intercommunication Microphone Interphone Speaker System 3W
Brand: ONETAK

Ideal for the bank, securities, hospital, bus station etc. where guard glass again theft is installed.
- Streamline design. Main unit has internal microphone for extension. One-wire connection and simple installation.
- High quality speaker for main unit and extension. High sensitive microphone. Longer metal tube microphone for dual-way intercommunication;
- Adjustable volume with separate switch.
- Auto dual-way intercommunication without pressing any button;
- Double-track adjustment with indicating light;
- Spare record jack for the bank;
- External speaker, slim fit design;
- Anti-interference and noise-free function;
- Dual-way audio record output

Specification:
- Power Adapter: Input AC 110V 60Hz US Plug. Output AC 9V 1.0A;
- Output Power: 3W(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.

Adjustable volume with separate switch.
Spare record jack for the bank
Anti-interference and noise-free function
Internal microphone for extension. One-wire connection
Adjustable volume with separate switch