HushMat Speaker Kit – Sound Deadening Material - Maximize Sound & Eliminate Vibration (1.4 Sq Ft, Black Foil)

HushMat Ultra is always the first step in every speaker installation. HushMat is the easiest sound deadening and thermal insulating material to install. There are no tools or adhesives required. Super flexible and moldable. Manufactured in the USA for three decades, rated #1 in performance.