With the T4AW-RD, SoundBox brings you a True American Wire Gauge - 4 Gauge Amp Kit..
General Features:
SoundBox Connected 4 AWG Kit.
Complete Amplifier Install Kit Includes RCA and Speaker Wire
SuperFlex Wire Jacket For Maximized Ease Around Curves
Heat Tested Wire Jacket 
Pro Grade ANL Fuse Holder 
Twisted RCA Cables for Maximized Sound Interference Control
What's Included:
18 Ft. - 4 Gauge SuperFlex Power Wire - Red
3 Ft. - 4 Gauge SuperFlex Ground Wire - Black
18 Ft. - 14 Gauge SuperFlex Speaker Wire
18 Ft. - 18 Gauge Remote Turn-On Wire
18 Ft. - Triple Shielded Twisted Pair RCA Cable
Black Protective Wire Loom
InLine ANL Fuse Holder 
ANL Fuse
Connecting Terminals / Wire Ties