I think you would like to have a double stereo mixer (rings and beads) and a line out. It is a lot easier to mix hands on in the case while performing instead of an external mixer. https://www.modulargrid.net/e/ladik-a-312
Also I would certainly keep Plaits, and add a small filter and distortion like https://www.modulargrid.net/e/noise-engineering-viol-ruina-silver-w-knobs


I have the Greyscale one. Could buy it from me. (Based in Holland)