WHAT DOES QUIETUM PLUS MEAN?

Of course I even went to rave get-togethers. On one of these the sound seemed not to be that loud. So I retained my ear protection in my pockets. My tinnitus reacted really pissed and decided to be louder in comparison to the songs. Fortunately it went back again to usual stages soon after I put in the ear safety.MatthijsDJ explained: Perfectly, pl