xpansion Board?

The Roland SR-JV80-12 Hip Hop Expansion Board is a sound module expansion board for the Roland JV-80, JV-90, JV-1000, XP-50, XP-60, XP-80, and XV-3080 synthesizers. It contains a collection of over 500 sounds, rhythms, and samples specifically designed for hip hop and urban music production. The board includes sounds such as basses, drums, percussion, strings, brass, synths, and more, as well as a variety of effects.