12Pcs Acoustic Foam Panel Sound Stop Absorption Sponge Studio KTV Soundproof Product selling point: Applied to: Studio, Piano room, Drum room, Anchor's room, Home Theater, KTV, Meeting rooms, Instrument rooms, etc. Soft sponge, no dust, high density; The sound effects, suitable for studio and KTV etc; Pyramid 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. Perfect for reducing echo such as Studios, Recording Studios, Vocal Booths, Control Rooms, Offices, Home Studios, Home Entertainment Theaters, Gaming Rooms, and Home Offices.more enjoyable sound by effectively controlling unwanted reverb and echo. Description Material: Sponge Use: Perfect for walls, ceilings, doors, windows, etc. to help block sounds and prevent echoes in the room. Size:30x30x2.5cm Note: Please allow 1-5mm error. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes 12 x Soundproof foam