2 EVL-18 EZ (8.75cf 31Hz)DIY BLUEPRINT - 2 SKAR AUDIO EVL-18 SUBWOOFERSVOLUME: 8.75cf netTUNING: 31HzPORT AREA: 122.5in^2(14in per cube)DIMENSIONSWidth: 48inHeight: 24-1/2inBottom Depth: 24-1/8inTop Depth: 15-9/16in$15.00PriceAdd to CartBuy Now