Rockville RMWK4 4 AWG Waterproof Marine/Boat Amplifier/Amp Installation Wire Kit Rockville RMWK4 4AWG Gauge Waterproof Marine/Boat Amplifier Wire Installation Kit 25' Translucent, Twisted Pair, High Quality, Tinned-CCA Flexible PVC RCA Cable 20' 4 Gauge High Current, Low Impedance, Clear Flexible Power Cable with 3' Black Poly Woven Mesh to better resist chemicals in the battery compartment 4' 4 Gauge High Current, Low Impedance, Light Blue, Flexible Ground Cable 25' 16 Gauge 100% Tinned-OFC, White, Non-Transparent Resin PVC, Flat Speaker Cable