40 400w 12v auto electronic siren products are offered for sale by suppliers on Alibaba.com, of which alarm systems accounts for 65%, speaker & horn accounts for 17%, and others car light accessories accounts for 5%.
A wide variety of 400w 12v auto electronic siren options are available to you, such as horn, tweeter and 2-way.You can also choose from iron, aluminum alloy 400w 12v auto electronic siren,