Application function of stage sound equipment: Stage sound equipment includes computer, main spread spectrum mixer, disc recorder, equalizer, audio processor, microphone, wireless microphone and other related equipment. Equipment debugging has an important influence on stage actors, and only through scientific debugging can its high-performance presentation effect be exerted. The characteristics of stage sound equipment are not only three-dimensional, but also rich in forms. Therefore, it is necessary to debug the stage sound system according to the actual background of the stage performance, give full play to the advantages of the stage sound system, do our best to support the performers, and make the audience strengthen their emotional experience under the influence of the music atmosphere. In addition, in order to improve the stage expressive force, it is necessary to coordinate other stage equipment components with stage audio equipment, and coordinate stage audio equipment with costumes, props and lighting to form an organism, so as to achieve a "colorful" stage effect and bring high-quality audio-visual effects to the audience. Stage sound directly reflects its role in the performance scene, and the performance and performance are more perfect. In the process of performance, the intention of many works needs to be better expressed in performance and sound, and the audience must be given auditory information directly, so that the audience can better understand the performers' own ideas. For example, on a busy stage, the debugging of audio equipment on the stage needs more volume and more sound penetration. If it is a sad stage, it is necessary to debug the bass equipment to make it show a deep and sad effect. Therefore, in order to improve the effect of stage audio equipment, debugging should be controlled scientifically.