How to Open Mono VST3 Plugin Instances in Reaper

Modified on Mon, 23 Mar, 2020 at 4:46 PM

Load a VST3 Plugin.
Click on the plug-in's I/O assignments.
From the plugin pin connector click the 'I/O' button.
Go to 'Request VST3 bus channel count' and set it to 'mono'.

(if you don't see it, make sure you've opened the VST3 instance and not VST or AU)