Slide 5 of
Indoor Pool with Audio
Also situated underground is a two-lane, 25-meter swimming pool where the homeowners can exercise or relax. Twelve invisible Sonance speakers and three invisible subwoofers, plus an iPhone/iPod dock, provide music while swimmers do their laps. The speakers actually get plastered over during installation and can play through the plaster.
Read more: Underground Corridor Home to Art Gallery & 204" Theater Screen