Functional Features：

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Speaker is one of the components of the fire emergency broadcasting system, which can be used in conjunction with the fire emergency broadcasting system as on-site broadcasting and emergency broadcasting equipment. When an emergency situation occurs, the fire broadcast system responds to the emergency and the speakers make corresponding actions. This device can also be used as a broadcasting device in other broadcasting communication systems.

Technical Parameter：

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Effective frequency range: 500-9000Hz
Weight: 0.45Kg/Ceiling mounted speaker (concealed); 0.49Kg/ceiling mounted speaker (surface mounted); 0.48Kg/wall mounted speaker
External dimensions: NAJ2103X3 φ 180mm × 60mm ceiling mounted speaker (concealed);
NAJ2101M3 φ 206mm × 56mm ceiling mounted speaker (surface mounted);
NAJ2101B3 165mm × 145mm × 63mm wall mounted speaker;
Installation size: hole diameter of 132mm/ceiling mounted speaker (concealed installation);
60mm -2 * Φ 3.2mm ceiling mounted speaker (surface mounted);
40mm x 78.5mm wall mounted speaker;
Color: Milky white