Polk PA1100.5 Draining Power While Vehicle is Off.

[rallye455]

I have a Polk 1100.5 that has been installed for 2 years and just recently it will kill the car battery while sitting overnight. I tried disconnecting the remote lead and it did not help. Amp has no lights on but is definitely drawing power while vehicle is off. I'm sure its something internal in the amp but does anyone have any ideas? Polk wants me to send it to their repair shop and they will give me an estimate to repair but I would like some idea before I send it in to try and see if its even worth it to repair. Anyone had a Polk amp repaired? Was the cost reasonable?

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