This is a very efficient and practical car audio amplifier splitter box, which will meet your needs very well. It has superb craftsmanship, reasonable design, compact and practical, and can be widely used in car, RVs, ships, etc. Features - ColorSilver - Material: PC, zinc alloy, brass. - Size: About 7.50X2.20X2.60cm/2.95X0.86X1.02in. - Type: 4 Ways. - : 4GA X 1 Input, 8GA X 4 Output. - Excellent for multi car amp systems, quality material eliminates the possibility of corrosion, rust, , or premature wear on speaker wire connection points. - This distribution block with deep recesses to protect wiring from being left exposed to the elements or other objects that might cause your system to malfuction. - Power distribution block is unique, light and flexible, convenient and practical, it will be your . - workmanship, fine texture, simple installation method and durable quality. - Easy to install, brass construction for corrosion resistance, ensures you get the longevity out of your system that you expect. Package list: 2 Audio Splitter Boxes