Available as an assembled Module and as a DIY project.
This Module is currently available.
Clone of the System-700's 710A & 710B Multiple Jack
SYS-700 Multiple 710 is a clone of the Roland System-700's 710A & 710B.
https://www.pharmasonic.jp/shop/index.php?id_category=43&controller=category
These merchants probably sell this module. Huh?
