Krawan Water Park is located in Yudong New District, Yulin City, Guangxi, with a planned land area of more than 600 acres and a total investment of nearly 2 billion yuan. It is based on ecological resources and is mainly based on the water wellness experience. It includes three major projects: a water park, a land-based high-tech experience park, and a high-end characteristic hotel on Lake Heart Island. After careful selection of professional equipment audio, Beilarly professional audio equipment was finally selected. According to the architectural characteristics of the water park and the sound requirements, Beilarly audio engineers used Q4 line array with STX-815M back listening and other products. The sound field of the whole water park is evenly covered, and the sound quality is clear, making the middle frequency round and full, the high frequency is delicate, the low frequency dive is flexible, and the real sound is thick and bright.