- Talkback Speaker
- Surface Mount
- Includes Call Button ("CALL" in Braille)
- Gray Plastic Housing
Valcom Power Units
Every Valcom product is marked with either a positive, negative or neutral power unit.
Simply add up the negative power units and then purchase a power supply with a greater value than the total power consumption of the system. If you have extra power units you can add speakers to the system at a later date, extra power is OK lower power will cause a performance problem on your paging system.
One Valcom power unit = 50 mA, -24 Vdc
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GB2-7 Video Inercom Kit Surface Mount