Feature 1Special designed 4way power distribution block can allow you to connect up to 4 amplifiers to a single power supply. 2The car audio splitter helps to eliminate the need for several separate wires running from the main power source. 3Inline fuses are needed to place between the block and the ampere, which can also be used to combine ground wires of multiple amplifiers into a single ground point. 4After finished by high quality electroplating, this block has a strong clear plastic protective cover. 51 guage input, 4 guage output, extremely suitable for car audio equipment.Item Type:PowerDistributionBlockMaterial: Copper+ABSType: 1 guage input, 4 guage outputFitment: For car audio equipment .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x PowerDistributionBlock