IMPROVED ACOUSTIC QUALITY - By dampening unwanted sound using absorption panels, you can make other sounds much clearer. This leads to improved speech understanding in lecture halls or performance venues. It can also help in retail and restaurant environments, so that time is not wasted trying to understand what people are saying. REDUCE STRESS - Reducing unwanted sound can also help reduce stress levels. If people can clearly hear what is being said, they are less likely to become irritated and frustrated by their inability to understand what is happening. EASY TO INSTALL - You can attach acoustic panels to your ceilings or hang them on the wall. Whether you need to install acoustic panels for your conference room, theater, entertainment venue or any other environment where controlling and managing the level and quality of sound is paramount, you can breathe a sigh of relief that you don't have to put in the effort. AESTHETICS - Comes in many different styles that enhance the beauty of any space and blend in with its decor, ranging from different colors to different thicknesses and sizes, depending on your specifications and needs GREAT VALUE FOR MONEY - Pyramid foam is among the most affordable options available. Product Description Specifications: Material: Polyurethane The sound effects, suitable for studio and KTV etc; Applicable: Studio, piano room, drum room, anchor room, home theater, KTV, meeting room, instrument room, etc. Soft sponge, no dust, high density; Pyramid sound-absorbing sponge with beautiful appearance and good acoustic properties, its biggest feature is: Due to its pyramid shape, it provides little diffusion, it makes you sound more dynamic. Shape: Concave-convex surface Material: polyurethane Shape: Microporous Specification: 25*25*5cm Note: Please allow 1-5mm error. 12pcs/pack Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!