Configuring Playback Devices for Simultaneous Output

After enabling Stereo Mix, configure your playback devices:

1. In the Playback tab of the Sound Control Panel, right-click your primary audio device and select Properties.
2. Navigate to the Listen tab.
3. Check the box labeled Listen to this device.
4. From the dropdown menu, select Stereo Mix as the playback device.
5. Click Apply to confirm the changes.

This configuration routes audio through both selected devices simultaneously.