Old School Buick Skylark 4 12" Ported Speaker Box Sub Subwoofer Enclosure SUV Box

Made to fit the Old school Buick Skylark 12" Ported design shown above Hole cutout: 11.125" (11-1/8) Box constructed of 3/4" MDF, glued and nailed Can be made sealed 10" 12" hole option Round or Square 5.26 cuft of total airspace Dimensions: 38" wide x 13.75" tall x 23" deep Tuned at 36 hertz 4 Chambered box 1.32 cuft of airspace per chamber Box can be made bigger or smaller to accommodate other vehicles  Box can be sprayed with bedliner material for an additional $100 Box can be wrapped in charcoal gray or black carpet $20 4 screw on Speaker terminals included Canada and international shoppers please inquire for shipping costs Have a custom design idea, we can build it Please like us on Facebook: AK Audio