1, Ruifeng Audio can be considered in China. After Ruifeng undertook the Bird's Nest sound reinforcement system project for the Beijing Olympic Games in 2008, LAX speakers have been serving the Bird's Nest sound reinforcement system for nearly eight years, and their stable performance and excellent sound reinforcement function have been highly praised.

2. Common stage speakers are JBL, EV and Budweiser. In America, there are Peak, Crown and Harman Kardon amplifiers. In the United States, the mixer is Yamaha in Japan and sound arts in Britain. Microphones belong to Shure, Sennheiser, Germany, Iron Triangle, etc. There are many imitations in enping city, Guangdong, so you should pay attention to distinguish the authenticity when buying them.