Atlas Q4915 Enclosure 15 in SQ GLAS Board 6C'

Atlas Sound Q4915-15", Q Series 6 Cubic ft Enclosure SquareThis 15", Q Series enclosure have a unique acoustical fiber board permanently affixed to the inner walls of the enclosure which effectively eliminates the ",hangover", and vibration normally associated with large metal enclosures. To achieve additional rigidity, unique ribs are formed on the back side of the enclosure. In addition, the inner walls are lined with 11/2", (38mm) thick fiberglass with a 11/2 lb./cu.ft. density to control unwanted resonances in the high end of the Frequency spectrum.