Hello everyone. So today i received my 2 sa12 rv3 i got from amazon through WoofersEtc. I didnt notice at first but after looking at them i seen one sub had a black magnet and it says SA12 Classic on it, and the other one is just chrome with no writing on it. They both came sealed both of the boxes said they were rv3, but are they really? I read on another forum one might be a different rev but they can still be used on the same box?