Factory amp plug to rca's

Could something like this be used to just add an aftermarket amp for a sub?
Where is the factory amp?

TaraFirma said:

Could something like this be used to just add an aftermarket amp for a sub?
Where is the factory amp?

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you easiest way is just a simple line out converter..... do a search... i have a sub in my car and i simply put in a LOC....amp....sub... wiring for the amp of course