Do the subwoofers have to be broken-in for 20 hours or more as the Polk literature says?
What is the best way to break-in my Polk GNX-104 subwoofers?
Should I take the sub box out of my truck and hook it up to my home stereo and leave it on for a day or so?
I am not in the truck for very long periods of time so it is going to take a long time to break them in inside the vehicle.
Mike

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