Then you’ll surely get annoyed when listening to your music if you’re experiencing a constantly humming, buzzing, static or any other such noises coming from your PA speaker. Such noises destroy the grade of noise you will get given that they interfere together with your paying attention experience. These noises are typically brought on by a ground cycle connected with electric energy. Should this be the main cause, then chances are you’ll have to repair it. Although ground cycle is one of typical reason behind such noises, another major cause occurs when your PA presenter is blown.