2 Colours Available. Ideal for Recording and Small Studios. Easy to Use. Lightweight. Sold IndividuallyDimensions: 500 x 500 x 50mm Weight: 1.98Kg. These 500 x 500mm acoustic foam tiles are designed to control reverberation characteristics of home- recording studios- home theatres- music rooms- cinemas etc. Their function is to reduce the reflections- flutter echoes and reducing reverberation. With a 50mm thickness these can absorb the sound to make the room quiet.. acoustic tiles-sound absorbent tiles