The quality is very good. Songchuan Audio is the brand of Guangzhou Temesheng Electrical Co., LTD. (hereinafter referred to as Guangzhou Temesheng Group), which is a large enterprise group company integrating industry and trade in Guangzhou. The company was founded on September 9, 1999, integrating research and development, production and sales of audio professional companies, whose products cover civil equipment and professional equipment.