The world's largest air defense horn-Made in China

June 09, 2022

The dual-use exhibition was grandly opened, and various military and civilian equipment products covering various fields such as sea, land and air equipment, unmanned systems, command and control systems, network security, optoelectronic and infrared systems, logistics equipment, and new materials were unveiled at the exhibition.
civil defense alarm speaker

Entering the exhibition hall, the most striking thing is a huge red "horn speaker". This big guy with a length of 3 meters and a width and height of 2 meters is called "Defender". From the information on the exhibition board introduced on the spot, it can be seen that this is the "Defender". An air defense siren speaker, and the largest air defense alarm speaker in the world.

It is reported that the output power of this siren reaches 260 horsepower, the sound transmission distance can reach 10 kilometers, it can cover an area of 200 square kilometers, and the activation time is less than 3 seconds. It is mainly used to perform warning tasks in important places such as blasting, reservoirs, power stations, airports, and military bases.
civil defense horn speaker

The siren has a warning sign "Beware of noise" on both sides and warns unprotected personnel to stay within 30 meters, enough to see how loud the siren will be when it works. The air defense siren is a movable vehicle-mounted siren. When it is in working state, the huge horn can rotate 360 degrees around the axis to achieve the purpose of sending sirens to all directions at the same time.
civil defense speaker