2 DDX-12 PRO (5cf 37Hz)DIY BOX PLANS 2 SKAR DDX-12 Designed to fit mid-size SUVs and Large TrunksVOLUME: 5cf netTUNING: 37HzPORT AREA: 67.5in^2(13.5in per cube)DIMENSIONSWidth: 42inDepth: 24inHeight: 15in$25.00PriceAdd to CartBuy Now