How to join some meeting using Zoom App but non-default browser for other meetings?

How to join some meeting using Zoom App but non-default browser for other meetings?

Because Zoom app yet have Sound Booster capability, for some of my meetings, how to join meeting from non-default browser when Zoom app is already installed.

This enable use of Chrome extension for Volume Boost for meetings that aren't loud enough. For my other meetings, I how to use Zoom app? 

Thanks ahead!