1. Acoustic Pyramids Foam panels are best for echo reduction, sound diffusion and sound absorption ! The surface area of this product is higher than egg tray due to its Wedge design. More the surface area, better is soundproofing.
2. Great for spot treating sound on walls. - For use in recording studios, control rooms, offices, home studios, home entertainment theaters, classrooms, video recordings, voice over studios, machine canopies , Hotels, Basements, Machine Room, Practice Rooms, Schools etc.