Unliked to the traditional perforated acoustic panels micro perforated acoustic panels offers and invisible solution for the decoration, the surface of the panel is drilled with numerous tiny micro-perforations which can provide and excellent acoustical performance, mainly to trap the noise and reduce reverberations time in the room. This systery work on Helmhaitz principle. Within microperforation from 0.5mm to 1.0mm people won't notice any hole on the decorative board keeping the finishes arid'acoustic performance of place.