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About product and suppliers:
        Alibaba.com offers 4,109 sound system 5.1 products. About 55% of these are home theatre system, 20% are speaker, and 4% are professional audio, video & lighting. 

A wide variety of sound system 5.1 options are available to you, such as computer, outdoor, and home theatre. You can also choose from wireless, mini, and wireless system. As well as from active, passive, and home amplifier. And whether sound system 5.1 is 6 (5.1), 5 (4.1), or 2 (2.0). 

There are 4,125 sound system 5.1 suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Turkey, and United States, which supply 98%, 1%, and 1% of sound system 5.1 respectively. 

Sound system 5.1 products are most popular in Southeast Asia, Mid East, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 716 with ISO9001, 142 with Other, and 33 with ISO14001 certification.