• Armor Coated With High Pressure Polyurethane Bed Liner Material
• Increases The Base up to four times stiffens the wood and no air leaks
• Life Time Guaranty
• Fits Most Hatch Back and Trunks
• The cleanest  loudest and lowest base ever made .
• No port noise
• 1-15'' Kicker L7 or round subwoofer
• Air Volume 2.5 Cubic Feet per side
• Port Volume .46 Cubic Feet per side
• Mounting Depth 15''
• Tuned For 30 HZ
• Dimensions 17.5" Wide x 23.5" Deep x 16" High
• Material 3/4'' M.D.F