Jeep factory infinity sub replacement???

[sackamous 10+ year member]

My old man has an 08 Wrangler Rubicon with the factory inifinity system . He wants to put my old 10s in it. So we pulled the factory sub and I was thinking there would be a amp in there but is just the sub. There are 2 black wires one with a gray doted line, and 2 solid green wires. Can some one tell me which wires are the - and +. Also is this factory amplified? Can I stick a converter on the wires at the factory sub and get a rca hook up or do I need to look else where? Thanks for any help.

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[bustaplz 10+ year member]

Yes, it's factory amped. Put a LOC on the sub wires and go to town!

 

[sackamous 10+ year member]

Any how its factory amped it wont bother the converter? You know which is which on the wires or how can I figure it out?