Hosted by the Convenience Market Management Brigade of Zhengding County, the “Cultural Grand Temple Fair” of Zhengding held a grand opening ceremony in the ancient city of Zhengding Changlemen Cultural Square, Liu Guangqi, president of the Hebei Traditional Culture Research Association, and Zuo Keyong, president of the Hebei Green Industry Association Journalists from Yujia media attended the event. Beilarly professional audio assists the opening performance of the “Cultural Temple Fair” in the ancient city of Zhengding. Beilarly audio engineers have developed an audio solution for them based on the characteristics of outdoor performances and the requirements for sound: using the Q4 line array of the Beilarly brand With the STX-815M back listening and other products, the sound field of the whole performance is not only evenly covered, but also the sound quality is clear, making the mid-range round and full, the high frequency is delicate, and the low frequency dive is full of flexibility.