... power large sounds *Good quality *CE,ISO approval Police electronic siren speaker1.Rated Power:150W 2.Rated Voltage: 12V 3 ... .Rated Impedance:6Ω Wenzhou Haian Electronic Appliance Co., LTD. is a manufacture which specialize in the production ... Light bars, Led Super Brightness light bars, Strobe Lights, Electronic sirens and Speakers, signal equipment,Police Equipment, and Safety & ...