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Insight Horizon Media

How do you use VAC audio?

Author

John Castro

Published Feb 09, 2026

How do you use VAC audio?

To use it, right-click the volume icon in your system tray and then click the “Sounds” command. Switch to the “Playback” tab of the Sound dialog box. You should see a new “CABLE Input” device on your list of speakers and headphones. Select it and then set it as the default.

How do I listen to Virtual Audio Cable?

Go to your System > Sound options and select “Device Properties” for your microphone. Next, click on “Additional Device Properties”. Then, click the “Listen” tab. Check the box for “Listen to this Device”.

How can I set my computer audio as a microphone input?

In addition, you can play audio through mic by changing your default microphone to your system sounds. You can do this by going to Control Panel and clicking Hardware & Sound. Next is you should click Manage Audio Devices and choose Recording. Then allow Stereo Mix and set it to the default mic.

What is the difference between WDM and MME?

WDM stands for “Windows Driver Model,” which has improved performance in latency over standard type drivers in Windows based systems only. MME stands for “Microsoft Multimedia Environment,” and is supported in almost all PC audio applications.

How do I use virtual cables in OBS?

Install Virtual Audio Cable, set that as your monitor in OBS, set your sources in OBS to ‘monitor and output’, and set virtual audio cable as your mic in Zoom. Use the OBS Virtual Cam to send your video. You should be good to go!

How do I set up vac?

  1. Install VAC 4.0x as per the installation directions.
  2. Once installed, set up a pair of VAC audio “cables” for use with PowerSDR by opening the VAC Control Panel.
  3. By default only one audio cable is defined.
  4. Start up PowerSDR version 1.6.
  5. Click on the Audio tab and then click on the VAC tab.

How do I monitor audio on OBS?

By default, OBS Studio will output the monitor audio to the default playback device. To change the monitoring output device, open the OBS Studio settings and click on the Audio tab. Find Monitoring Device and select the audio device that monitored audio will play back over.