Quote:
Originally Posted by bmw335ie90
This video explains the difference between differential and regular coaxial RCA. The differential output from the head unit isn't true "balanced" inputs because, as you said, there are only two wires and not three.
Any decent quality Amplifier will accept differential inputs, read the user manual/documentation and it will usually call it out.
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Maybe ground is coming from somewhere else? Remote? Power? Lol. But that ought to be different from audio ground.
Nw, I'll just leave it at that. I'm okay with some mystery.