How do I hook up amp and sub to factory radio?
The best way to connect it to a factory system is to tap into the stereo’s speaker outputs for the amp’s input signal. Then send the amp’s outputs back to the stereo’s harness, and on to the speakers through the factory wiring.
Does adding a subwoofer improve sound quality?
A great subwoofer helps take away the heavy lifting from your loudspeakers, improving your overall system. The dynamics are more compelling, the soundstage widens, and the stereo imaging becomes more accurate.
How do you hook up subs to aftermarket head unit?
A subwoofer and an amp run on a different voltage than your speakers and head unit. To compensate, connect a line out converter to your head unit by connecting the right channel and left channel in the line converter to the right channel and the left channel in the head unit with RCA cables.