Specifications New Sealed Enclosure 12" Woofer Hole is 11" in Diameter Built-in Terminal with Gold Screw Posts Fits Mostly All Cars Constructed with High Quality MDF Hardwood 3/4" MDF Face Enclosure Volume is 1.25 Cubic Feet Height 13" x Length 16" x Top Depth 12" x Bottom Depth 15.5" Speaker Mounting Depth is 11.75" The Front (where the woofers loaded) is Flat and the Back is Slanted Only the Best Black Aviation Carpet