1. Help reduce reverberation, floating , undesirable sound reflection, unnecessary noise, very suitable for small and medium-sized rooms, theater rooms, recording studios, churches or offices.2. For voice control, sound damping, acoustic processing, noise reduction-reduce waves, reverberation and floating in small and medium-sized rooms.3. After opening the vacuum package, put the sound-absorbing foam in a ventilated place for 12-24 hours4. Low-cost noise reduction solutions: cost-effective noise reduction products can create an excellent listening or recording environment for you, whether at home or in a recording studio, you can get a good recording experience.5. High-density flame-retardant material: The sound-absorbing foam board adopts flame-retardant environmental protection material, which is safe to use. For acoustic control, silencing, acoustic treatment, and noise reduction-reduce waves, reverberation and flutter in small and medium-sized roomsMultifunctional use: It is used for acoustic processing/isolation shield in home theater, studio or game room, or as a desktop privacy panel in office. It is also suitable for recording studios, home theaters and karaoke rooms. Can handle walls, ceilings, etc.Colour:blackMaterial:PolyurethaneSize:7.5 x 7.5 x 30cmPackage Contents:32 x sound insulation foamOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please dont hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it