Rockford Fosgate 8 AWG Amplifier Install Kit with Interconnect Rockford Fosgate Power Kits feature full AWG (American Wire Gauge) 100% oxygen free copper All brass parts are manufactured using the highest quality of standards Rockford Fosgate Power Kits feature full AWG (American Wire Gauge) 100% oxygen free copper All brass parts are manufactured using the highest quality of standards All kits include the appropriate wire termination hardware