Chrome browser - set specific audio output device
Audio Router is outdated with Windows 10 use the advanced settings of Windows :
See : https://www.windowscentral.com/how-manage-sound-settings-windows-10-april-2018-update
This is not supported yet. A draft from the W3C has been drafted on November 2018, Audio Output Devices API, but may take years to be implemented in the browsers.
There are free third-party programs which might help here:
Audio Router (free) which can be downloaded for 64-bit and 32-bit.
VoiceMeeter Banana (Donationware)
These products are reviewed in the article
How To Use Different Audio Devices For Different Applications In Windows .