I think the MVS-1 only uses 8 MIDI channels. If so I would daisy chain the JV-880 to the MVS-1. Assign MIDI channels 1-8 to the MVS-1 and channels 8-16 to the JV-880. If you need more than 8 channels for the 880 then this wouldn't work.

Ps - I have the 880 and it does have some decent sounds.


Back in my day the only time we started panic buying was when the bartender shouted "last call"!

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware