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If the output "splitter" (no that's the combiner) gets hot, yes then there is a problem. It could be a difference with the caps (that's the one big brown one) on each input transformer not matching. This is why I say that the two "2-pill sections" have to match part per part to be balanced.


You will need a Capacitance meter to confirm that all parts match, especially those two caps.


If you are getting bad reports from locals with the amp on it could be from the balance problem or the voltage from the truck not keeping up with the demands of the radio and 2 amps. How big are your cables going to the amps from the Battery? How old is the battery? You need to watch the voltage going to the amp with your meter to see how much voltage sag you have, there should be close to none.