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About product and suppliers:
        Alibaba.com offers 5,531 trolley speaker with battery products. About 75% of these are speaker, 13% are professional audio, video & lighting, and 4% are home theatre system. 

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

There are 5,539 trolley speaker with battery suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 99%, 1%, and 1% of trolley speaker with battery respectively. 

Trolley speaker with battery products are most popular in South America, Southeast Asia, and North America. 

You can ensure product safety by selecting from certified suppliers, including 2,075 with Other, 381 with ISO9001, and 80 with ISO14001 certification.