In order to strengthen the hardware construction of the unit, according to the needs of daily work, the Beilarly single 12-inch line array sound system is adopted. Beilarly engineers design a complete high-standard sound reinforcement system according to the needs of the unit leaders Various cultural and sports activities stage performances and conference reports. The sound field coverage has good consistency, the sound field is evenly distributed, and the system distortion is low, which meets the requirements of cultural performances for high-quality sound; at the same time, the sound system has clear voice and transparent sound, which is unanimously praised by the leaders of the unit