In order to strengthen the school's hardware construction, Dingshan Elementary School adopts the Beilarly dual 8-inch line array sound system according to the needs of daily work to provide a reliable professional sound reinforcement system for the school's multifunctional lecture hall. The school requires sound reinforcement equipment It should be arranged reasonably, concisely and generously, with clear, bright speech and high recognizability, suitable for various stylistic performances and conference reports. Beilarly engineers designed a complete high-standard sound reinforcement system according to the needs of the school, which met the stage performances and conference reports of various cultural and sports activities held by the school.