On December 9, 2017, the "Foshan High-tech Zone's Strongest Voice" National Urban Challenge Finals was held in Shishan Town, the core district of Foshan High-tech Zone. The competition attracted young music talents and industrial choirs from all over the country to gather in Fogao District, making Fogao District a veritable national music gathering area. Good sound is inseparable from professional audio equipment. All stage audio equipment of this event are provided by Beilarly professional audio manufacturers. According to the characteristics of outdoor performances and the requirements for sound, Beilarly sound engineers developed a sound solution for them: the use of Beilarly brand VERA36 + VERA33 line array with ES218 subwoofer and STX-815M back listening products to make the whole performance The sound field 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, ensuring that every corner of the performance site can enjoy a perfect music experience.