Planning a serious car audio upgrade? You're gonna need some serious wiring. This Sky High Car Audio kit gives you top-quality 1/0 gauge OFC (Oxygen-Free Copper) power cable in both red and black. It's not just an amp kit – it's also meant for the 'Big 3' upgrade, which beefs up the main power and ground connections under your hood for better electrical flow (think brighter lights, more stable voltage for your amps, overall happier electronics). The cable is thick, pure OFC for minimal resistance and maximum current carrying, so your subwoofers and amplifiers get all the juice they crave. It's brand new in its original packaging, just like you'd get from an audio shop. Sky High is a respected name in the car audio world, so you know this isn't some flimsy, copper-clad aluminum junk. Whether you're installing a monster system or just want to future-proof your electrical, this is the foundation you need. Perfect for DIY installers or professional shops. Red for power runs from battery to amp, black for grounds. Get rid of that voltage drop and let your system perform at its absolute best. This is the kind of wiring that makes a difference you can actually hear and feel. Don't skimp on the wires – your amps will thank you.