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The system of the host is bus-master wiring designed, simple and convenient. The addressable PA system can control hundreds of zones. To immediately divide again the zone, it is only required to change the switch of address in the terminal rather than distributing afresh line.

When compared with the conventional system, it is required that each zone of the conventional system distributed with a power line, and it is required to distribute the lines again when the zone is to be changed. But for the addressable PA system, there is no need to change the lines for zoning and adjusting.

The main system has included multiple sets of PA system function. The addressable PA controller contains built-in preamplifier and zone controller. It is available to form a required system together with a little amount of other equipment.





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