Connect the master amplifier to the head unit duh and set the amplifiers output masterinput slave switch to output master. Connecting two amplifiers takes only three basic steps.
Car Audio Wiring Dual Amplifier And Dsp Install
How to wire two amps to one head unit. The best way to wire multiple amps to a single power cable is to use a power distribution block. To compensate connect a line out converter to your head unit by connecting the right channel and left channel in the line converter to the right channel and the left channel in the head unit with rca cables. That allows you to use a single cable for most of the run including the crucial portion that passes through the firewall and then to use shorter individual cables to actually connect to each amplifier. Set slave amplifier output masterinput slave switch to slave input. If your amp has a pair of rca outputs then you can just hook a pair of rcas from one amp to the other but if your amp does not have rca outputs then you can just use a rca y cable to split the. Run speaker wire from the back of one amplifier into input a on the back of the switch box making sure to connect right to right and left to left and positive to positive and negative to negative.
Then you can use 4 gauge wire for the 12001 and 8 gauge for the 3004 they dont have to be the same size. A subwoofer and an amp run on a different voltage than your speakers and head unit. Connect your line out converter to the head unit. Rick it looks like a neat and safe way to wire power to those two amps is just as you say run a 10 gauge wire from the battery to a distribution block. Run speaker wire in exactly the same way from the back of the second amplifier into input b.
Gallery of How To Wire Two Amps To One Head Unit
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