Small activities are generally equipped with a standard sound system of about 2,000 yuan, which is suitable for use by less than 200 people. If you need simple lighting, about 3000 yuan will do, simply enliven the atmosphere. The grade is slightly higher, ranging from tens of thousands to hundreds of thousands. According to the demand and scale of the site and the customer's budget, what kind of requirements and effects need to be achieved? The above is the service quotation of Kunshan Liang Ying Audio-visual Equipment Co., Ltd.