Available as an assembled Module and as a DIY project.
This Module is currently available.
TRS to 2x TS Splitter
TRS* splits a stereo signal on a TRS jack into 2 TS signals Left and Right and the other way around.
It can serve as a Midi TRS-A to TRS-B convertor as well.
Or it can be used to separate CV and gate from a single output (like on the MPC One/Live/X)
https://punkmodular.com/home/36-58-trs-splitter-stereo-mono.html#
