The situation gets more complex when you add multiple amplifiers to the equation.
Can You Have Multiple Amps in One Car Audio System?
In terms of amp wiring, that means getting your power straight from the battery.
Powerful sound in your car.Den Belov / Getty Images
Depending on your particular setup, either one of these options may work out for the best.
In most cases, a single power cable is the most elegant solution.
The best way to wire multiple amps to a single power cable is to use a power distribution block.
Lifewire
A distribution block can also befused, which is helpful if your amps dont include built-in fuses.
If your head unit doesn’t have multiple preamp outputs, youll have to check your amps.
In some cases, internal amp wiring includes preamp pass-through functionality, allowing you to connect multiple amps.
The amp wiring situation can be more complicated if your head unit doesnt have any preamp outputs.
