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About product and suppliers:
        Alibaba.com offers 505 police siren sound products. About 6% of these are speaker, 1% are professional audio, video & lighting. 

A wide variety of police siren sound options are available to you, such as active, passive. You can also choose from computer, home theatre, and portable audio player. As well as from mini, portable, and wireless. And whether police siren sound is 2 (2.0), or 1. 

There are 505 police siren sound suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 98%, 1%, and 1% of police siren sound respectively. 

Police siren sound products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 124 with ISO9001, 66 with Other, and 31 with OHSAS18001 certification.