About this item 9-conductor wire: Includes 8 speaker leads and 1 remote turn-on lead, perfect for installing 4-channel amplifiers to speakers. Copper Clad Aluminum Conductor: CCA wire is lighter than pure copper wire, which helps with installation. As one of the power conductors, it is the most economical choice to choose speaker wires. Easy Peel Jacket: The ultra-flexible frosted PVC jacket not only protects the internal wires, but also provides maximum flexibility for installations that require a lot of twists and turns. Standard Color-Coded: Each of the nine wires is color-coded for quick and easy installation. Simplify your car audio setup process, perfect for installation in cars. Including Heat Shrink Tubes: We provide 10 heat shrink tubes (OD:11mm) for free, so that you can better bind the plugs during installation. Dimensions: 7.52 x 6.89 x 3.66 inches.