We did a retrofit of a South End Brownstone that had was Pre-wired by another company.
The Theater room has a 75" Samsung LED with Atlantic Technology in celing IC-6HT LCR's run off a Dennon receiver.
The Master Bedroom has in celing Episode 500 series speakers run off a Sony receiver.
He have Panels in the Kitchen, Dining room and the Gym. It is all controlled by Universal Remotes Total Control Home Automation Product.