RFK4D 4 AWG Complete Dual Amp Installation Kit. Battery PWR/GND Gauge: 4 AWG. Amplifier PWR/GND Gauge: 8 AWG. Speaker Wire Gauge: 16 AWG. 17 feet of power wire 4 AWG/6 feet of power wire 8 AWG. 3 feet of ground wire 4 AWG/6 feet of ground wire 8 AWG.
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