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About product and suppliers:
        Alibaba.com offers 4,191 big speaker system products. About 45% of these are professional audio, video & lighting, 34% are speaker. 

A wide variety of big speaker system options are available to you, such as computer, portable audio player, and home theatre. You can also choose from wireless, mini, and mini system. As well as from 2 (2.0), 1, and 3 (2.1). And whether big speaker system is active, passive, or fm. 

There are 4,207 big speaker system suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Malaysia, which supply 99%, 1%, and 1% of big speaker system respectively. 

Big speaker system products are most popular in Southeast Asia, Domestic Market, and Eastern Asia. 

You can ensure product safety by selecting from certified suppliers, including 802 with Other, 519 with ISO9001, and 80 with ISO14001 certification.