O.k., I've been trying to figure this out for a while, but maybe I've been looking in the wrong place. Anyhow, here goes:
So I have a Mercedes with the factory Bose highs mids, and AMP. Now the amp is not RCA powered from the HU, but rather runs through a wiring harness. I want to run a pre-amp HU, or at least turn the internal amp off of HU for better sound quality.
So I guess my question is, does the factory amp have to have RCA inputs in order for everything to work through HU with the internal amp turned off? Is there a way I can make it work without changing the amp out?
Converter maybe to RCAs?