Quote:
Originally Posted by bitchigan
I have a 2009 Civic LX sedan with a basic 4 speaker stereo. I want to add a blaupunkt powered 8 inch subwoofer under passenger seat for a little extra thump. I know I have to run a power wire to the battery...but how do I make the unit communicate with the stock, non-premium receiver? Is there a preamp out the back of the factory unit? Do I splice into one of the speaker wire sets?
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if u want to keep the factory unit you're gonna have to use a high/low converter which basically splices into any of your speakers and your speaker wire now becomes the input for the amp