Xi'an is the political, economic, cultural and transportation center of western China. It is the starting point of the Silk Road. It has the unique location advantage of undertaking east and west and running through the north and south. In 2008, Xi'an High-tech Zone was approved as the founding unit of the National Security Industry Demonstration Park, leading the development of security and emergency industries in the western region. At present, Xi'an City already has entrepreneurs in the safety emergency industry. Customers attach great importance to the design and construction of its audio reinforcement system for the completion and acceptance of the report hall of the Northwest Security Emergency Industrial Park located in Jinghe New City. The final customer found (Snike Audio) to build the audio reinforcement system in the lecture hall. After on-site investigation and sound field analysis by (Snick Audio) technicians, our technical team designed an audio reinforcement system solution for the lecture hall based on the needs of the lecture hall, helping the industrial park build a high-quality lecture hall. We can see that the lecture hall has the characteristics of a large venue area and a long sound reinforcement distance.(Snick Audio) has selected a line array slightly group, a subwoofer slightly and a series of full-frequency slightly for the lecture hall, which can realize sound reinforcement at medium and long distances, allowing participants to clearly feel the real existence of the sound source, reducing the situation where the sound is too small to be heard, and achieving the effect of wide sound reinforcement area and clear and bright sound. The configured mixing console can control and distribute sound size in real time, and the built-in effects can meet the use needs of various meeting reports and speeches. With the central control system, after programming according to the user's usage scenarios, you only need to use your mobile phone or You can switch various scene modes and adjust various audio equipment with one click. On the pickup system, it is built by. Live audio is picked up and transmitted through a microphone, and is received by an active directional antenna to the digital host, providing high-level lossless audio to the entire audio system. After the customer held multiple report meetings using the sound reinforcement system built by (Snike Audio), the excellent sound reinforcement effect of the sound reinforcement system also won unanimous praise from the customer! (Snike Audio)'s audio system also provides a better hardware condition for the steady development of the industrial park and provides strong support for promoting the construction of high-tech industrial parks in the new era!