ROCKFORD FOSGATE RFK4D - 4 gauge complete power, ground and signal installation kit for two amplifiers.

Manual 

Kit includes 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, 30 feet of 16 AWG speaker wire, (2) 16 feet twisted pair RCA's, Maxi fuse holder and fuse, (2) 4 AWG distribution blocks, 20 feet of remote wire, 100 Amp fuse.

• FULL spec cable - meets or exceeds AWG (American Wire Gauge) requirements
• 100% Pure Crystal-Oxygen Free Copper (PC-OFC)
• Includes appropriate wire termination hardware
• 4 AWG (21.1mm²) 1,862 strands
• 16 AWG (1.31mm²) 65 strands
• 8 AWG (8.36mm²) 735 strands
• 1 Year Warranty