The Install Centric ICAK8 8 Gauge 2-Channel Amplifier Wiring Kit is compatible with systems up to 680-Watt Max or 400-Watt RMS. Our kit is constructed with heavy-duty oxygen-free copper and copper-clad aluminum for excellent conductivity, durability and value. The MAXI and ATC fuse holders are molded and pre-installed in-line with weatherproof covers for convenient installation and superior protection. The double strength ground terminal features unique, pre-terminated ground terminal design that dramatically simplifies installation and improves performance. The twisted pair RCA cables reject noise to provide a better sound performance. Includes: 16.5ft. OFC / CCA power cable, 2 ft. OFC / CCA ground cable,16 ft. twisted audio cable, 16 ft. remote turn-on wire,30 ft. speaker cable, maxi fuse holder with 50A fuse, Pre-terminated double-strength ground terminal, wire ties and amplifier terminals.