Features: 4 Gauge Complete Dual Amplifier Installation Kit Designed specifically for car audio systems up to 1000 watts Premium power and ground wire provides optimal power transfer Made from 100% oxygen-free copper for a pure uninterrupted transfer of power Includes 2-channel RCA interconnect cables for the audio signal connection from the receiver to the amplifier RCA Interconnects are made with twisted-pair technology for noise reduction Terminals are nickel-plated for excellent signal transfer Maxi Fuse holder offers ideal protection for high powered systems True-to-Gauge cables/wires meet or exceed the industry standard of copper required for the gauge size