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About product and suppliers:
        Alibaba.com offers 163 25w auto horn products. About 28% of these are alarm, 14% are speaker & horn. 

A wide variety of 25w auto horn options are available to you, such as abs, plastic, and aluminum. You can also choose from electric horn, speaker, and siren. As well as from 12v, 24v. And whether 25w auto horn is 2-way, tweeter, or coaxial. 

There are 83 25w auto horn suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 25w auto horn respectively. 

5w auto horn products are most popular in Mid East, Southeast Asia, and North America. 

You can ensure product safety by selecting from certified suppliers, including 73 with ISO9001, 8 with Other, and 1 with ISO/TS16949 certification.