The MIDIbox SID will get an AOUT interface with a 4-channel 12-bit DAC and 8 trigger outputs in the future. Of course, the firmware can also run without the SID itself, on this way you have nice CV interface with additional virtual LFOs, EGs, slide, arpeggiator, and so on…
I hope the new interface will get an adjustable voltage range from -10 to +10V, so you can also control arp synth’s with it. Will it be supported by the Midibox 64?