For easy and seamless installation, DS18 now offers speed wire for fast and great looking installs. This 25 ft spool of CCA 18-GA wire comes in 9 color coded separate runs, all individually insulated, then again has another insulator to find them all together. This wiring is perfect for running 2-4 channel amps easily to their counterpart speakers without the hassle of running individual wires that can get messy or frayed overtime.