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About product and suppliers:
        Alibaba.com offers 494 police siren sound products. About 7% 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, stage, and portable audio player. As well as from wireless, portable, and mini. And whether police siren sound is 2 (2.0), or 1. 

There are 502 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 Domestic Market, North America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 115 with ISO9001, 69 with Other, and 30 with OHSAS18001 certification.