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About product and suppliers:
        Alibaba.com offers 3,660 5.1 sound system products. About 55% of these are home theatre system, 19% are speaker, and 6% are professional audio, video & lighting. 

A wide variety of 5.1 sound system options are available to you, such as paid samples, free samples. 

There are 3,663 5.1 sound system suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Turkey, and Taiwan, which supply 98%, 1%, and 1% of 5.1 sound system respectively. 

.1 sound system products are most popular in Africa, Mid East, and South America. 

You can ensure product safety by selecting from certified suppliers, including 639 with ISO9001, 466 with Other, and 39 with ISO14001 certification.