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About product and suppliers:
        Alibaba.com offers 479 whistles and horns products. About 25% of these are speaker & horn, 19% are event & party supplies, and 18% are whistle. 

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

There are 479 whistles and horns suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of whistles and horns respectively. 

Whistles and horns products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 69 with Other, 56 with ISO9001, and 15 with BSCI certification.