3 ZVX-15 PRO (12cf 34Hz)DIY BOX PLANS 3 SKAR ZVX-15Subs up/ port back design for back of a large SUVVOLUME: 12cf netTUNING: 34hzPORT AREA: 171in^2(14.25in per cube)DIMENSIONSWidth: 48inDepth: 37-3/4inHeight: 21-3/4in$25.00PriceAdd to CartBuy Now