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About product and suppliers:
        Alibaba.com offers 2,160 audio detector products. About 35% of these are industrial metal detectors, 15% are alarm, and 7% are other security & protection products. 

A wide variety of audio detector options are available to you, such as free samples, paid samples. 

There are 2,160 audio detector suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of audio detector respectively. 

Audio detector products are most popular in Domestic Market, North America, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 498 with ISO9001, 223 with ISO14001, and 148 with Other certification.