The new TPR transparent audio fuse box HD4 distribution block is constructed of nickel-plated brass for maximum current transfer and marine-grade corrosion resistance.  Features 2 inputs supporting 1/0 gauge wiring, or 4 gauge with reducer, and 4 outputs supporting 4 or 8 gauge wiring.  To ensure safe transfer of power, two ANL fuses or up to 4 mini ANL fuses will be securely mounted in place to keep current flowing to the amplifier.  With the built-in TPRtransparent audio fuse box HD4 exclusive cable tie mount, wiring can be securely held in place for a clean and tidy installation.