Specifications:
Material: Sponge
Size:45*45cm*5.5cm
Allow 1-5cm error.
Color: yellow， red， black， blue

Please tell us which color you want before buying， otherwise random delivery.

Features:
1. soft sponge， no dust， high density;
2. The sound effects， suitable for studio and KTV etc;
3. 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 for band absorber， the effect is very good.

Package include:
1 x Soundproof foam