3×15”” Double Ported Pro Poly Sub Box

Armor Coated With High Pressure Polyurethane Bed Liner Material
Increases The Base up to four times stiffens the wood and no air leaks
Fits Most Hatch Back and Trunks
3-15”” Speakers each with two port system
Air Volume 3.5 Cubic Feet Per sides (separated chambers)
Port Volume .14 Cubic Feet
Mounting depth 20.5””
Dimensions 47.63 ””W x 21.73″” Deep x 17.87″” Height