Designed to simplify a dual amplifier installation, this OFC amp kit includes all battery cable and power distribution required to power a high current, two amplifier system. Kolossus OFC 0 gauge connects from the battery to our BK-2020 fuse block. From the fuse block, Kolossus 4 gauge connects to your amplifiers. This kit is designed to be a base for installation of a large, high current audio system. KnuKonceptz includes additional 0 gauge ground wire to allow for Battery to Chassis Ground. Included with our kit is a 300A In Line ANL fuse and two Mini-150A fuses for use within our two way fuse block. Additional Speaker Wire and RCA's will be required to complete your installation. Installation Note: The 2’ of 1/0 black is meant to upgrade the battery to chassis ground. Connect the 1/0 black ring terminals to the 1/0 black ground wire. Connect one end to the vehicle chassis and the other end to the battery’s negative terminal. Using the 4 gauge black ground wire, determine placement for the two amplifiers and cut the wire accordingly into two pieces (one cut) so that both amps have a chassis ground cable. This chassis ground should be one common point for both amplifiers to reduce any possibility of a ground loop. Attach the 4 gauge black ring terminals, one to each end of the now two ground wires. Secure the two 4 gauge grounds tightly to a clean location of the vehicle’s chassis. Repeat the same procedure for the 4 gauge power wire, connecting them to the output of the BK-2020 Fuse Block.   Rated in Amps, Not Watts: Here at KnuKonceptz, you will not find a random watt rating on our packaging or in a giant font across our images. No, we rate our kits the same way electricians rate the wiring in your home, in amps, by following industry standards.   You’re Grounded: We include a healthy amount of ground wire in all our 1/0 kits so that you can add a short battery to chassis ground. When adding a large system, you need to upgrade the factory grounds too!   Choose Your Fuse: Your system may need 1/0, but that does not mean it needs a 300A fuse!  Our 1/0 kits include your choice of fuse size! Need help calculating which size you need? See our FAQ!