12V DC from car enough to power a 1400W amp for loudspeakers?

Jeremy

New member
I'm trying to have a tailgate, and I have loudspeakers that are powered by a 1400W amp. I wanted to buy a DC-AC converter for my car and plug my amp into it, but I'm not sure how much power my amp needs in order to generate enough wattage for the loudspeakers.

I saw multiple different kinds of DC-AC converters ranging from 100W to 800W, how much do I need for the amp?
 
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