Available as an assembled Module and as a DIY project.
This Module is currently available.
10-point Linking Multiple
Available as a kit from Hive Mind Synthesis -
2x5 passive multiple
Jumpers on the back can link units, resulting in an infinite mult.
Multiple faceplates available
https://www.etsy.com/listing/1742339045/hive-mind-synthesis-megamult-linking-4hp?
