Prototype X archives: Prototype X H13: Wires 3) Rockford Fosgate P2D4-8 DVC Subwoofers with a final resistance of 2.67 ohm Mono Bass. #prototypexllc #h13 #mono #input #bass #custom #rockfordfosgate #p2d4 #triple8 #audipipe #microamp #competition #system #wiring #limitedlifetimewarranty #wholesale #retail #sponsorship (at Prototype X)















