Public Address System Solution

 

New ways of Digital Public Address


Provide public address system solutions according to different industry scenarios, integrate AV system centralized management, convenient and convenient management, and save equipment and labor costs.


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The public address system provides background music and radio programs for hotels, commercial buildings, ports, airports, subways, and schools. In recent years, the public address system also doubles as an emergency broadcast, which can be linked with the fire alarm system. The public address system has more control functions. Such as constituency broadcast and all-call broadcast function, forced power change function and priority broadcast function. The loudspeaker load is many and scattered, and the transmission line is long. In order to reduce transmission line loss, 70V or 100V constant voltage high impedance transmission is generally used. The sound pressure requirements are not high, and the sound quality is mainly midrange and midrange bass. 

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