4 U-10 EZ (4cf 35Hz)DIY BLUEPRINT FOR 4 U-10 SUBWOOFERSVOLUME: 4cf netTUNING: 35HzPORT AREA: 63in^2(15.75in per cube)DIMENSIONSWidth: 46-1/2inHeight: 14-1/4inDepth: 20-7/8in$15.00PriceAdd to CartBuy Now