On October 12, 2017, the opening ceremony of the 4th Guangdong Sports Conference was held at the Huizhou Gymnasium. Athlete representatives and audience representatives from 21 delegations from all cities in the province participated in the opening ceremony. The performance is composed of four chapters: "Lingnan Morning Rhythm", "Vitality Guangdong", "Charming Youth" and "Shared Health". With the help of multimedia technology and acousto-optical means, it fully demonstrates the concept of sports, happiness, competition and friendly competition. The theme of this year's sports conference is "National Fitness, Vibrant Guangdong". Beilarly professional audio to provide professional audio equipment for the performance of the opening ceremony of the sports conference. According to the characteristics of the venue and the sound requirements, the Beilarly sound engineer uses the Beilarly brand -Q4 line array with ES218 subwoofer and STX-815M back listening products, so that the sound field of the entire performance is not only evenly covered And the sound quality is clear, making the middle frequency round and full, the high frequency is delicate, and the low frequency dive is full of flexibility, ensuring that every corner of the performance site can enjoy a perfect music experience.