how do i use a surround sound amp ?

i have a panasonic sarround sound subwoofER with 500 watts of power how can i reuse it in my car

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If you get a large enough inverter for your car you can use it. Problem is it's not going to be very good in your car. The speaker isn't designed to tolerate the extreme weather conditions it will face being in your car. So the speaker won't last very long. The electronics will also be susceptible to the conditions of the car. You run a risk of a soft short on a very humid or moist day.
austineason89 (author)  mpilchfamily4 years ago
and i keep my car at 70 to 73 degrees f
SO your car never sits out in the sun in the summer or is left outside at any time in the winter? Must be nice to have the ability to never sit in a hot or cold car before starting it up.
austineason89 (author)  mpilchfamily4 years ago
i have an after market sub mtx
On a side note:

It's also pretty lame to use home speakers in your car. I've been there and done that. When i was in High School i had a sweet set of very large home stereo speakers in my car hooked to a car amp. They sounded great but looked like crap in the trunk. They only lasted a year before the cones of the speakers where rotted out and slit.
iceng4 years ago
500 Watts means 42 amperes at 12 VDC
A car inverter is 85% efficient at best,
so your car will have to be able to supply 48 peak amps
to sub-woof in your enclosed cab.

austineason89 (author)  iceng4 years ago
can i connect direct to battery or fuse
Not practical after I tried to make it clear that the present car electrical
system down to your alternator would no be able to power it.