Features 1.3 way power distributor designed for high performance by the best industry experts provides complete protection for your car's audio system. 2.The 3way power distribution block allows you to connect as many as three amplifiers to a single power source. 3.The main input allows you to connect 4 or 1/0 gauge wires from the battery to the module and up to three 4 or 8 gauge wires to the amplifier. 4.You also need to place a in-line fuse between the distribution block and the amplifier. 5.It can also be used to combine the ground wires of multiple amplifiers to a single grounding point. 6.The cover is made of high strength nonperishable industrialgrade plastic which is durable to use. 7.Wide application suitable for auto boat or other vehicles protect your audio system. Specification Condition: 100% Brand NewItem Type: Power Distribution BlockColor: As picture shownScrew-down Wire ClampsPower/Ground Distribution BlockInput: Accepts 1/0 or 4-Gauge WireOutputs: Accepts 4 or 8-Gauge WireImpact Resistant Snap-on Plastic CoverPlatinum-Plated for Corrosion Resistance100% Solid Brass Construction and High QualityType: 1 Way In 3 Ways Out design power distributorElectrical Connection: 0GA/2GA/4GA X 1 Input 4GA X 1+8GA X 2 Output Package List 2 x Power Distribution Block Note For your vehicle's protection an inline fuse holder between the distribution block and your vehicles battery is required.