How To Duplicate Sound to Multiple Audio Devices
How To Duplicate Sound to Multiple Audio Devices
• Press Start, type Sound into the search space and select the same from the list.


• Select Speakers as the default playback device.

• Go to the "Recording" tab, right-click and enable "Show Disabled Devices"


• A recording device called "Wave Out Mix", "Mono Mix" or "Stereo Mix" should appear.
• Right click on the new device and click "Enable"

• Right click on the new device and click "Set as Default Device"
• Double click on the new device to open the Properties window
• Go to the "Listen" tab • Click on the "Listen to this device" checkbox

• Select your HDMI device from the "Playback through this device" list


Now you should be able to use both devices at the same time.