These 19 executive homes at Rydale Park, Ryhope, Sunderland, are all fitted with a high tech multi-room audio system. The five-bedroom showhome is a showcase for the system, which incorporates a discreet in-ceiling speaker and sensor system in each room.This picks up on wireless remote controllers and wall-mounted control panels which connect to the music system, radio and iPod docking station stored in a discreet cupboard. Buyers can also expand the system to other rooms or add more touchscreens and i-pod docks