Belva Professional Grade Complete 4 Gauge 2-Channel Copper-Clad Amp Wiring Kit [BLACK] with 2-Channel RCA Interconnects [BAK42BK] Complete 4 Gauge 2-Channel Amp Wiring Kit - includes everything needed to install one amplifier Designed specifically for car audio systems up to 1000 watts RMS In-line Mini-ANL Fuse holder with 80 amp Mini-ANL fuse offers ideal protection for high powered systems Made from 30% copper and 70% aluminum gives better power and signal transfer without interruption Premium powerplex power and ground wire which significantly give optimal power transfer