Just got back today from having my amps and sub built-installed, and one thing I wasnt prepared for was the static in the speakers when you turn the deck to zero volume. Normally I am used to it being silent, but there is a noticeable...hiss? Nothing outrageous but its there. They told me its normal from the gain from the amps.
Not a big deal, just something I never heard mentioned so totally wasnt prepared for.
EDI: The noise is there no matter where I set the gain.
Here is a video I made just this morning...