Amp to stock radio adapter

1. Can you hook up an amp to a stock radio?
2. Is a line output converter necessary?

Can you hook up an amp to a stock radio?

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 radio's 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.

Is a line output converter necessary?

If you plan to have an amplifier added to a factory-installed audio system, chances are you'll need a line output converter. It's even more likely that you'll need one that can provide a remote turn-on signal for that new amp.