Akupanel-Wooden Slat Acoustic Panel is a kind of composited sound absorption structure .As the sound waves travel to its surface ,some of them are reflected in all direction by the wooden slats on the surface ,while others are absorbed directly by the polyester felt on the back of the product .Therfore ,this product is a combination of diffusion and sound absorption of the dual functions of the product .It will absorb and break the sound waves, which means that you will get a healthy sound environment without reverberation. This will reduce your stress level and enable you to feel comfortable and relaxed.It can be used on both walls and ceilings.