Overview Compatible Devices : Amplifier Specific Uses For Product : Amplifier, PC Color : Transparent Item dimensions L x W x H : 4.09 x 2.28 x 0.71 inches Brand : S SYDIEN About this item Package Contents: 1Pc 1 In 3 Way Out power distribution block car audio. 4GA *1 input, 8GA *3 output. It will cut off the power automatically when the current is strong Overall Size: 55mm x 40mm x 30mm/2.16" x 1.57" x 1.18''(L*W*H). Ground cable splitter distribution block is small, light weight, easy to install Premium Material: The cover of the car audio distribution block is made of flame retardant ABS plastic for long life. Nickel-plated zinc alloy construction for good electrical conductivity and corrosion resistance, ensuring provides excellent signal transmission Adaptation: Amp distribution block is suitable for auto car, boat or other vehicles, protect your vehicle's audio system. Can also be used to combine the ground wires of multiple amplifiers to a single grounding point Best Service: If you have any questions about our automotive power distribution block, please feel free to contact us at any time and we will solve it for you immediately