The launching ceremony of the first Hailuogou Glacier Hot Spring Festival was held in Chengdu, marking the official launch of the Hailuogou Glacier and Hot Spring, which covers the rich ecological tourism resources and characteristic cultural tourism products of Hailuogou. Guided by the Tourism Commission of Ganzi Prefecture and sponsored by the Hailuogou Scenic Area Administration of Ganzi Prefecture, this event is the first time such an event has been organized by the Hailuogou government under the theme of "Viewing the Beautiful Glaciers and Top Hot Springs". According to the characteristics of the performance venue and the sound field, the Beilarly sound engineer uses Q4 line array on the live sound reinforcement system, with STX-815 back listening speakers. The sound field of the entire performance venue is evenly covered, and the sound quality is clear, making the mid-range round and full, the high frequency is delicate, the low-frequency dive is full of flexibility, and the real sound is thick and bright.