The amp kits feature top-quality Hyper-Flex power, ground, and turn-on cables. K Series speaker wire and interconnects are also included, as is a heavy-duty Afs fuse holder and fusing. Insulated crimp connectors and zip ties come in the kit as well. This Complete Four Gauge Amp Kit comes complete with Full Spec wire, hardware, fusing, and signal cable. Hooking up your amplifier is easy with this complete amp kit. The best hardware, signal, and power cable come in one convenient package, plus you get an additional year of warranty when you buy a Kicker amp with this kit. All kits include pure, full-spec Ofc (oxygen-free copper) cabling for max power transfer, superior bass response and signal clarity.