91 jbl sub/amp upgraded sub

For sale is my jbl subwoofer and amplifier combo.
I removed the original 6.5" midbass and installed an alpine 6.5" midbass with rubber suround.
Works better than new and sounds crystal clear,comes with mounting brackets..
100.00obo+shipping.

where are you located? I'm at Neenah Wisconson the area code is 54956 how much for shipping to me? I assume that this is the same unit that is in the 1992 correct? thanks steve. me email is schmalzm@sbcglobal.net