I have installed two amps and 1 sub in a 2017 f56 s. I ran off of the door speakers to my audiocontrol LC7I then to my amps.Problem i am having is that i cannot get any low frequencies from any of my rca's. My audiocontrol has accubass so it should restore the bass that the factory drops off.Does anybody know if they have cut low frequencies from these inputs and i have to use the inputs that go to the factory subs and run the to my sub channel?

 

Try tapping your rear speakers. If I’m not mistaken, you should be able to get all frequencies from there, this is from reading here, I could be wrong.

 

where did you get power trigger for amp?

thnx