Try throwing a blanket on top, covering the sides, and you'll know the answer.
I do find that the floor between and behind speakers is more important than most people realize, especially for high frequency grit. It is often useful to damp that. Cheap experimentation with blankets, curtains and pillows may help you decide.
I do find that the floor between and behind speakers is more important than most people realize, especially for high frequency grit. It is often useful to damp that. Cheap experimentation with blankets, curtains and pillows may help you decide.