line output converter

So, I have a 2009 Acura TL technology package and decided to put in an aftermarket 12" subwoofer but since I'm keeping the factory head unit, I bought a loc and wired it to my rear deck speakers L and R but when I play music the subwoofer doesn't have any sound, but it has power and has a good...

Hello everyone! I'm new to this forum and to car audio in general. I have a 2017 Subaru Impreza sedan with the rockford fosgate package that generally kind of *****. My plan is to run two 8 or 10 inch subs behind the rear seats, upgrade the speakers (3.5 in corner dash, 6x9 front doors, 6.5 rear...

I am confused on how you tune an amp and line out converter at the same time. I have an LP7-2 LOC, and R1100M Amp and they both have gain knobs on it. I understand that for each, if tuning by ear, you need to put your radio at 3/4ths volume, play a 40hz test tone, and then turn the gain knobs up...

I installed two 12 inch subs with an amp and a line output converter in my Honda Accord 2009, and I wired it to the harness on the head unit but the amp never turned on. I took it to a car audio store and had them look at it, and they said that it can't be wired to the radio because it isn't...