Up to now, Dongchuang Audio has cooperated with many famous companies for professional microphone. best ceiling speakers is the main product of Dongchuang Audio. It is diverse in variety. The production process of Dongchuang Audiocolumn speaker complies with the international standards. This product requires no software or drivers to start up. The product is widely used in public areas like housing, education&research institutions, hospitals, hotels restaurants, and cinema halls. This product has the required overheat and overload protection.
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