Right-click the main area of the player and click the Options… menu.
For MPC-HC
Go to Playback => Output => Audio Renderer. Select the MPC Audio Renderer.
In the older versions, the name was Internal Audio Renderer which was replaced by MPC Audio Renderer.

For MPC-BE
Go to Audio => Audio renderer, selecet the MPC Audio Renderer.
In the older versions, the name was Internal Audio Renderer which was replaced by MPC Audio Renderer.

The most importnat step
Make sure you restart your player (just close your player and then reopen it).
If you want to reset your options, just go to Miscellaneous => Reset.
