No info about availability.
Dual Offset Generator + Multiple
The EMW Dual Voltage Source is an auxiliary module that can be used in many situations. Used together with the EMW DC Mixer, it can add offsets to a waveform, modifying it's timbre. It can also be used to manually control other modules such as VCAs, VCFs, VCOs, etc. An extra 4-patch connections is also present to expand the module's usability.
http://www.electronicmusicworks.com/detalhes.asp?id=91&produto=68&loja=EURORACK