Effective Acoustic Treatment - The Acoustic Foam Panels feature a 3D pyramid-shaped design with a thickness of 2 inches, effectively blocking and absorbing unwanted echoes, waves, reverberations, and tremor echoes, resulting in better recording results.,Wide Application - Earppie Acoustic Foam Panels are suitable for on-site sound treatment on studio or office walls, ideal for recording studios, home theaters, control rooms, live streaming rooms/home offices, etc. The size can be flexibly cut to fit your needs, and they can also serve as wall decorations.,Quick installation - Sound absorption cotton is made of: high-density foam polyurethane sponge. The back of the Acoustic Foam Panels has an adhesive, you just tear off the protective film and stick it on the place you want to stick, please wipe the surface of the object to be pasted before pasting.,Quick Recovery - Open the vacuum packaging and place the acoustic foam in a well-ventilated area for about 24-48 hours.,After-sales Service - To ensure quality, each of our acoustic foam panels undergoes rigorous quality control before leaving the factory. If you have any questions about our acoustic foam, please feel free to contact us, and we will reply to you within 24 hours.