The audio system deployed by the MTV theme song KTV audio equipment covers 42 theme private rooms. There is no complicated design and extra decoration in the space. The designer and sound engineer cooperate to integrate the rhythm of music into the details of the space design. It integrates tradition and modernity, avoids trivialities in combination and combination, is extremely generous and natural, and provides a space for entertainment, parties and K song relaxation for the current young people. According to the sound field environment of Meko Giga KTV, the project team of the Beilarly professional audio engineer configured Beilarly ’s TF series of professional entertainment sound system, which is specially developed and designed for the characteristics of KTV close-range sound reinforcement. The opening of the treble horn used in the mobile performance is wider and shorter, which makes the treble less compressed and the distortion rate is smaller, bringing a sweeter and delicate treble performance, making listening and singing a pleasure.