Another popular way to connect an amplifier to a factory radio is to use something called a line output converter. It connects to the factory radios speaker wires and converts the speaker-level signal to a preamp-level signal. This lets you use RCA cables to run that signal to your amplifier.

Can you wire a sub to a stock stereo?

For us humans, that just means youll get phenomenal sound ALL while keeping your factory stereo and controls. So now you know – its definitely possible to install a subwoofer and amplifier to your factory system, and still have it sounding good.

How do you hook up a subwoofer to an amp?

1:1614:22How to install an amp and sub in your car | Crutchfield video - YouTubeYouTube