Elemental Designs eDead 45 is our original and most popular sound deadening material. It's meant for automotive vehicles and installation in speaker boxes. eDead 45 works to reduce interior cabin noise, increase speaker dynamics in your doors, and increase overall output. More sound in your car, less sound from the outside. eDead 45 is easy to install. No special training or glues are needed at all. Anyone can do it to quiet down their cars road noise, or get better sound from their existing sound system. Because we sell direct eDead is available for a fraction of the cost of comparable products. Compare @ $1.00 Per Sq. Ft. to $5.00 Per Sq. Ft. for our superior performing product.