424 bus electric horn products are offered for sale by suppliers on Alibaba.com, of which speaker & horn accounts for 76%.
A wide variety of bus electric horn options are available to you, such as iron, abs and plastic.You can also choose from universal, honda and ac bus electric horn,as well as from corolla, fit, and accord bus electric horn, and whether bus electric horn is 3-way, single, or 4-way.