Machined from solid brass and coated with Diamond Plate Nickel, the StreetWires DBX3448 power distribution block allows you to connect as many as four amplifiers to a single power source.
Just connect your 4-gauge power cables to one of the three set screw inputs, then run up to four 8-gauge cables to your amplifiers you'll also need to place in-line fuses between the distribution block and your amps. You can also use this block to ground your multi-amp system. Contacts are made of nickel-plated brass for maximum signal transfer. Warranty: lifetime.