This is the Phoenix Gold ZXK20 4 Gauge Copper Clad Aluminum (CCA) Amplifier Wiring Kit

Phoenix Gold now releases its own cable kits. The ZXK series includes CCA (Copper Clad Aluminum) cable. Paired with a twisted pair RCA cable, this kit will be a perfect complement to your Phoenix Gold power amplifiers or any power amplifier for that matter.

Complete set for audio systems up to 1000 watts
Premium 20mm2 CCA power and ground cable for optimal power transfer
Nickel-plated connections for maximum corrosion resistance
Incl. twisted RCA cable 5.2m
Original Phoenix Gold Accessories

This kit includes: 

1 x 5.2m 20mm2 CCA Red Power Wire
1 x 0.8m 20mm2 CCA Black Ground Wire
1 x 5.2m Twisted RCA Cable
1 x 1.8m Split Loom Tubing
1 x Fuse Holder and Fuse