What contols sound output for mediabay preview

I know it is something really silly, but I just can not find where to enable sound playback for the preview keyboard below the Mediabay. Where is it? I have been disabling contol room and stuff but it still plays no sound.

Hi,

Open VST Connections > Studio. Add Monitor 1, and route it to your main output bus. In the VST Connections > Output, set the Stereo Out to “Not connected”.

All Previews are routed to the Monitor 1.