On the evening of September 23, 2019, Tianjin Baodi Gymnasium was shining with bright lights, singing and applause. The Baodi District, which hosted the Baodi District Party Committee and District Government, "Playing Songs for the Motherland and Walking with the Times" Wonderfully staged. . Beilarly professional audio provides a complete stage sound system solution, using a single 12-inch line array main expansion line array speaker with dual 18-inch ultra-low speakers and a single 15-inch full-frequency stage return listening speaker, so that the sound field of the entire venue is obtained Uniform coverage, clear sound, high fidelity, no harsh noise, making the mid-range round and full, high-frequency delicate, low-frequency dive is full of flexibility, vocal magnetic rich and full, transparent and bright and soft, to ensure the complete success of the performance, Obtain unanimous praise from city leaders!