Install and open Voicemeeter
Set your main output device in Voicemeeter to your speakers or headphones
In Windows Sound settings, set Voicemeeter Input as the default playback device
In Chrome, open the site you want to use
Allow microphone access if needed
In Windows Sound settings, set Voicemeeter Output as the default recording device
In Chrome’s site settings, select the correct microphone input
In Voicemeeter, enable the hardware input you want Chrome to hear
Route the input to B1 or B2 in Voicemeeter
In Chrome, choose Voicemeeter Output as the microphone if the site lets you select an input device
Restart Chrome after changing audio devices
Restart Voicemeeter if audio is not routing correctly
Match sample rates in Windows Sound settings and Voicemeeter
Disable exclusive mode for the devices in Windows Sound settings
Update Chrome, Voicemeeter, and your audio drivers
Check that Windows privacy settings allow microphone access for desktop apps
Use VB-Audio Virtual Cable if you need separate browser audio routing