- Public Address and Commercial Audio Systems
TBK-20
TBK-20 intercom system is primarily used in the counters and Bank/Window, or any places where conversations need to be Assisted.
Features
Streamline design, main unit is made of luxurious aluminum
alloy and internal microphone for the extension. One-cable
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
| MODEL | TBK-20 |
| Working voltage | DC9V |
| Max working current | 600mA |
| Main and assistant sound boxes | 2W-2W 100Hz-15KHz |
| Outside microphone | -48db |
| Inside microphone | -48db |
| Other function | Dual-way audio record |
| Exterior size | 158*87*46mm(Master Station) 78*20mm(Sub Station) |
Public Address and Commercial Audio Systems
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