From the manufacturer
Rockford RFK4X 4 AWG Complete Amplifier Install Kit
Technologies
Includes Fused Dist
This amplifier kit includes fused distribution. It utilizes a stand-alone fuse holder that can be installed in a convenient place under the hood.
Includes Speaker Wire
This amplifier kit includes speaker wire. These cables connect the amplifier to the speakers.
Includes Speaker Wire
This amplifier kit includes power wire by including necessary cable for both B(+) and GND(-) connections. Additionally, amplifier kits include remote turn-on power wire
Includes RCA Cables
This amplifier kit includes RCA patch cables. These are the necessary cables used to transfer low-level signal from the source unit to the amplifier, typically located in the rear of the vehicle.
Overview
Kit Includes
17 feet of 4 AWG power wire, 3 feet of 4 AWG ground wire, 30 feet of 16 AWG speaker wire, (1) 16 feet twisted pair RCA, Maxi fuse holder and fuse, 20 feet of remote wire, 100 Amp fuse.
Features
- 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







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