ezTalks allows you to share computer sound simultaneously to other devices easily. 

Here is the instruction of how to share computer sound on the desktop app (including Windows and Mac).

1. Login your ezTalks account and start a meeting. 

2. You can find the share button on the bottom of the video screen:

3. Click on Share Desktop and play any mp3 format sound that your participants can hear it:

Related article:

How to share screen on desktop app?

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