Acoustic environment is very important for Studios, Recording Studios, Vocal Booths, Control Rooms, Offices, Home Studios, Home Entertainment Theaters, Gaming Rooms, and Home Offices.Acoustic panels are good for sound by effectively controlling unwanted reverb and echo, Great for spot treating walls in your studio or office. | By increasing noise absorption properties inside the room will help to reduce noise transmission through the walls and thus reduce noise outside the room.professional acoustic control reduce waves, reverb and flutter echoes in smaller to medium sized rooms. | Wedge sound-absorbing sponge with beautiful appearance and good acoustic characteristics, its greatest feature is: due to its pyramid shape, it provides little diffusion, it makes you sound more dynamic. It may, for example BASSTRAP combined together with the other products, consisting of a wide band absorber, the effect is very good. | NOTE: We may split your order into multiple shipments for postage. And due to shipping requirement, we compressed (vacuum sealed) the acoustic foam for easy shipping. Please kindly give it until 24 to 48 hours for the foam to restore to its normal size. | MADE IN CHINA - Passed the GB 8624-2012 "Building materials and products combustion performance classification" standard, after testing, the combustion performance of the sample reached the standard Quasi-safety level B 1 technical requirements and Passed the SGS