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About product and suppliers:
        Alibaba.com offers 1,262 bus horn products. About 76% of these are speaker & horn, 1% are speaker, and 1% are event & party supplies. 

A wide variety of bus horn options are available to you, such as air horn, electric horn. You can also choose from 2-way, tweeter, and 4-way. As well as from iron, plastic, and abs. And whether bus horn is 12v, or 24v. 

There are 1,262 bus horn suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of bus horn respectively. 

Bus horn products are most popular in Africa, Southeast Asia, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 433 with Other, 418 with ISO9001, and 41 with ISO/TS16949 certification.