Power/Ground Distribution Block Impact Resistant Snap-on Plastic Cover, high Power in-line fuses between the distribution block and your amps included Input: Accepts 0GA(2GA/4GA)*1,Outputs: Accepts 4GA*1+8GA*2 Wire Run up to three 4-Gauge or 8-Gauge wires to your amplifiers. Can also be used to combine the ground wires of multiple amplifiers to a single grounding point Suitable for auto car, boat or other vehicles, protect your vehicle's audio's system Specifications: The 3-way power distribution block allows you to connect as many as three amplifiers to a single power source. The main input lets you connect 4 or 1/0 Gauge wire from your battery to the block, and you can run up to three 4-Gauge or 8-Gauge wires to your amplifiers. You'll also need to place in-line fuses between the distribution block and your amps. It can also be used to combine the ground wires of multiple amplifiers to a single grounding point. Features: Weight:132g Screw-down Wire Clamps Power/Ground Distribution Block Input: Accepts 1/0 or 4-Gauge Wire Outputs: Accepts 4 or 8-Gauge Wire Impact Resistant Snap-on Plastic Cover Platinum-Plated for Corrosion Resistance 100% Solid Brass Construction and High Quality Type: 1 Way In 3 Ways Out design power distributor Electrical Connection: 0GA/2GA/4GA X 1 Input, 4GA X 1+8GA X 2 Output Note: For your vehicles protection, an inline fuse holder between the distribution block and your vehicles battery is required. Package included: 1 x 3 Way Car Power Distributor Block Holder