Are amplifiers worth it for car?
An amplifier, regardless of whether it’s in a car audio system, or a home audio system is a dedicated device that receives a weak audio signal and amplifies it. It’s as simple as that. Audio signals are too weak to be heard without amplification, so an amplifier is a crucial piece of kit for any audio system.
Can you hook an amp up to a factory car stereo?
Line output converters
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.
What does a factory amp do in a car?
The factory stereo systems in many of today’s vehicles include an external amplifier. This factory amp is designed to make cheap factory speakers sound better. But it doesn’t do you any favors when you replace the stereo or those stock speakers.