SUB BOXES & BOX DESIGNS

Down4sound PRO-FAB HD3 15 | 1 15 Sub Box | Single 15-Inch HD Ported Subwoofer Enclosure Box High performance and extreme sound, that's what you can expect from Down4sound's "PRO-FAB HD3" Single 15 Inch Ported Subwoofer HD Birch Enclosure. With a THICK...