This Kicker 4 Gauge Power Amplifier Wiring Kit includes all the necessary hardware and wire to power one amplifier and is designed specifically for car audio systems up to 1000 watts. The included premium power/ground cable is made from 100% oxygen-free copper and is true-to-gauge for ultimate power transfer. This PK4 power amp kit includes 20-feet of 4 Gauge blue power cable, 3-feet of 4 Gauge black ground cable, 20-feet of 16 Gauge blue remote turn-on wire, 2-channel RCA cable, Maxi Fuse holder, 50 Amp fuse and more.