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About product and suppliers:
        Alibaba.com offers 4,136 5.1 sound system products. About 55% of these are home theatre system, 20% are speaker, and 4% are professional audio, video & lighting. 

A wide variety of 5.1 sound system options are available to you, such as wireless system, mini system, and portable. You can also choose from no player, dvd player, and blu-ray player. As well as from 5.1, 2.1, and 7.1. And whether 5.1 sound system is paid samples, or free samples. 

There are 4,137 5.1 sound system suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Turkey, and United States, which supply 98%, 1%, and 1% of 5.1 sound system respectively. 

.1 sound system products are most popular in Southeast Asia, Mid East, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 718 with ISO9001, 145 with Other, and 33 with ISO14001 certification.