Windows – Duplicate audio output to multiple devices in windows 10

audiowindows 10

Is there any way (or application/driver for this) to play audio from app to multiple output devices? Or even better – to just duplicate/mirror audio that is coming to one output device to another one.

I have found something like this:
https://answers.microsoft.com/en-us/windows/forum/windows_10-hardware/output-audio-to-multiple-devices-in-windows-10/b284def2-d684-4f1f-87a0-f562f556aedd
But I can't use it because I use bluetooth so my default windows output device always says "not plugged in", so I can't even confirm what it does.

My final goal is to redirect music application to both my headphones and virtual cable.

Best Answer

To share audio streams among multiple devices with Virtual Audio Cable, you first need to direct the sound to a Virtual Cable (for example, Line 1), then take multiple copies from the opposite cable side. Please see the example. – Eugene Muzychenko Jun 15 '19 at 17:50

It's good to have an answer for people like me looking for something like this. https://vac.muzychenko.net/en/repeater.htm (at the bottom)

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