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Could I take stereo speakers and hook them up to my head unit for use in my car without any major work?

I have 2 speakers in my car currently, and was wondering if its possible to take home stereo speakers and hook them up to my head unit so that I could have more speakers?

Only if the wattage of the speakers is close to the wattage output of the amplifier. If the home speaker is rated less than the amplifier, it could burn/blow out. If the speaker is rated way above, you won't hear much out of it.

For an example of the latter, try running an iPod straight through a large speaker without an amplifier.

Other than that, I don't see why this wouldn't work.

When it comes down to it, a speaker is a speaker. There is nothing special that prevents a car speaker from working in a home theater setup and vice versa.

While I'm at it, here's some other things to consider while building:
- Car speakers are built tough to take the elements and jarring. Make sure that your home speaker setup is shielded in this way.
- Car speakers are generally slimmer, as well.
- The home speaker wiring may be a bit more complicated than installing aftermarket car speakers.

the information provided in this response is not correct.

+1, Also make sure you secure them properly or they could become deadly projectiles in a crash.
MarshallG2 years ago

It doesn't have anything to do with wattage. It is "ohms" that matters in this case. In general home speakers are rated 8 ohms (symbol: Ω) and car stereo speakers at 4 ohms. You can wire them to work properly, but it is not recommended.