Loudspeaker products

As all Air-Raid Sirens have been digitally upgraded, electric sirens have also been eliminated in favor of audible ones. The electric siren converts electrical energy into mechanical energy, and then from mechanical energy into sound energy. The electroacoustic siren converts the small audio signal into sound energy after being amplified by the low frequency power, that is, the electronic energy is converted into sound energy.

You may not be able to tell the difference. More importantly, the electro-acoustic siren has more encryption means, which is more secure and reliable, and is closer to the needs of wartime. The single power of the upgraded civil Defense alarm is 2000 to 2400 watts, and the "voice" seems to be smaller, but it can still resound throughout the city.

Specification

Power: 600W        
Impedance:4Ω/8Ω/16Ω     
Freq.Resp.:160HZ-7KHZ   
S.P.L(1M/1W,1000HZ):125±3(dB)                                     
Material: Plastic                          
Dimension:680W*420H*550LMM
Magnet: Neodymium
150W*4 driver units
Packing: 1 pcs/ctn
Carton size: 70*46*58 CM(G.W.:25KG)