Enabling Stereo Mix for Dual Audio Output

To play audio through two devices at once, enable the "Stereo Mix" feature:

1. Right-click the speaker icon in the taskbar and select Open Sound settings.
2. Scroll down and click on More sound settings under the Advanced section.
3. In the Recording tab, right-click and select Show Disabled Devices.
4. Right-click on Stereo Mix and choose Enable.
5. Set Stereo Mix as the default recording device by right-clicking it and selecting Set as Default Device.

This setup allows audio to be duplicated across multiple output devices.