Noise alarm device

The utility model discloses a noise alarm device, including alarm and microphone, be equipped with the alarm lamp on the alarm, the alarm with the microphone passes through the wire and realizes the electricity connection, still be equipped with the amplifier on the alarm, the amplifier has three interface at least, first interface through the wire connect in the microphone, the second interface connect in power source on the thread board, the third interface with the alarm lamp electricity is connected, the alarm lamp with the power source electricity is connected, still is equipped with theswitch between the two, power source with still be equipped with the transformer between the switch. The utility model discloses mainly use in public business office, can reach notice backstage staffwith the irritable mood of proscenium customer production because wait for to can let the customer in time pacified, reduce and complain. 本实用新型公开了种噪声报警装置，包括报警器和传声器，所述报警器上设有报警灯，所述报警器和所述传声器通过导线实现电连接，所述报警器上还设有放大器，所述放大器至少具有三个接口，所述