No direct experience of them, but this sort of thing looks like it would fit your needs.
https://m.reichelt.com/gb/en/fiberx-ser ... stct=pol_0
OBS, https://obsproject.comjaydeeshow wrote: ↑Tue Mar 19, 2019 22:47 Zoltan, sorry but I don't know what is OSB.
Not sure about the midi clock on serato.