In modern spaces such as auditoriums, karaoke rooms, bars, clubs, lounges, or cafe, the sound and lighting system plays a decisive role in shaping the audience’s and customers’ experience. However, installing such systems is far more complex than simply purchasing speakers or lights and placing them in a room - it requires precise planning in design, acoustic treatment, stage lighting layout, and operating cost optimization. In this article, Hoang Bao Khoa will walk you through the essential factors to consider when setting up sound and lighting systems for auditoriums, karaoke venues, bars, cafés, and other professional spaces.