The Scosche KDADCCSD 2-channel amplifier wiring kit is designed for adding a 2nd amplifier into an existing system. Use with a 1600-watt or 1200-watt wiring kit. Includes 16-feet of Twisted Audio Cable, Double Strength Ground Terminal, Power Distribution Block, 6-feet of 6.7mm Power Wire, 2-feet of 6.7mm Ground Wire, 6-feet of turn-on wire, Wire Terminals and User Manual. Made with quality components for long lasting durability. The 6 feet of 6.7mm power wire is made from heavy gauge Ofc-oxygen free copper/cca copper clad aluminum cable for maximum power delivery. The 2 feet of 6.7mm ground wire ofc-oxygen free copper/cca copper clad aluminum ground cable completes circuit for unimpeded current flow. The 6 feet of turn-on wire remotely switches on amp. The power distribution block splits power to 2 amps. The 16 feet of twisted audio cable rejects noise for clear audio sound. The wire terminals are for amp power connections. The double strength ground terminals are pre-terminated for easy installation. Our 2-Channel Amplifier Wiring Kit is backed by Scosches Lifetime Tech Support and Lifetime Limited Warranty.