How do I change the Speech Voice

I have a lot of documents that I need to reread and I would like to use the Text-to-Speech feature to manage my reading pace. I think DEVONthink 3 is defaulting to Alex, but I would like to change to Siri Male as I find his voice less distracting. I can’t figure out how to change the voice in DEVONthink and it doesn’t seem to care what voice I have selected in macOS:Settings:Accessibility. Can this be done on DEVONthink 3.0.3 PRO for macOS? What about the iOS version with upgraded extensions?

Welcome @DTKarman

How are you activating the speech? I just changed System Preferences > Accessibility > Speech to Samantha and she read back selected text in DEVONthink 3 from Edit > Speech > Start Speaking.

PS: The current version of DEVONthink is 3.0.4.