was it done just on the outer? what tuening for this sub and would 1 cubic foot box sealed workNot sure what it was. some type of glue. I can check for you though. It held up really well.
Yes on the outer only. when i take it out of the box i am going to put it on both sides.was it done just on the outer? what tuening for this sub and would 1 cubic foot box sealed work