Dongchuang Audio is a large-scale integrated industrial company integrating design, R&D, manufacturing, sales and service of lectern with microphone. The volume control switch is one of the main products of Dongchuang Audio. The production of Dongchuang Audioactive loudspeaker is of high efficiency with the help of advanced production equipment. This product has been extensively used for the public audio system. The product aids in recovery after intense physical activity. It relaxes muscles and soothes aches/pains in both muscles and joints. The product has the lowest noise reduction level.
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