Didn't know what year they came out...sorry.
It's a ported Bose setup in the rear hatch area, and it is a major improvement over systems in other convertibles I had in the past!
A subwoofer enclosure is really the only way to go in a convertible...the softtop design has too many open cavities for good bass response.
www.************************ makes ported speaker systems designed to fit in the rear for both the R107 and R129 series...