48 450mm air horn products are offered for sale by suppliers on Alibaba.com, of which speaker & horn accounts for 85%.
A wide variety of 450mm air horn options are available to you, such as horn, tweeter and 2-way.You can also choose from universal, 450mm air horn,as well as from iron, abs, and steel 450mm air horn,and whether 450mm air horn is black, or red.