This Module is currently available.
A precision buffered multiple
Now slimmed down to 2HP! The '07 is a precision buffered multiple, perfect for your 1V/O sources. An LED on each channel indicates positive or negative incoming voltage: red is positive, green is negative. Channel one cascades into channel two, giving you up to 7 outputs.
Features:
Two Channels:
Channel one is 1 to 3
Channel two is 1 to 4
Cascaded input: CH 1 > CH 2
LED voltage indicator on each input
https://store.synthrotek.com/07-Buffered-Multiple-2HP_p_1133.html
These merchants probably sell this module. Huh?