Changes

*Mega-CD II (Sega CD II in North America). :: Designed for the Mega Drive 2/2nd model Genesis (also compatible with the Mega Drive/1st model Genesis and included a special add-on for this purpose) and to reduce manufacturing costs. 

*JVC Wondermega RG M1 (released :: Released on April 1, 1992 only in Japan): , as a combination Mega Drive/Mega-CD player with enhanced sound, video and karaoke capabilities and a mechanized CD tray lid. Also included MIDI functionality. Sega themselves released on April 24, 1992 a variation of this unit with slight cosmetic changes, but functionality remains identical, branded as Sega Wondermega) *JVC Wondermega Model RG M2 (JAPAN-ONLY:: a A second model (Japan exclusive as the first) with a different case design and wireless controller functionality built in. The mechanized CD tray was omitted in favor of a more conventional spring-loaded tray design. Otherwise, functionally identical to the Wondermega I. This model was stripped down released in the US as the JVC X'Eye.) *[[Sega CDX/Multi-Mega (called Sega CDX in North America). A portable CD player that plays both Mega Drive and Mega-CD games, as well as audio CDs, and CD-G discs. Resembling a slightly longer version of the typical portable CD player of the day.]] *Pioneer LaserActive :: Sega Mega-CD module, an add-on device available for the LaserActive system