These different types of AV products specialise in control and organisation of a home theatre system in multiple rooms of the house. A variety of equipment is available for multi room systems to allow for proper cable distribution and organisation, strong wireless signals, as well as infrared signals. Devices include switches and splitters, balun extender kits, and more. AV transmitters serve as “checkpoints” for your various electronic signals. This allows them to all meet in one location, simplifying cable management and signal distribution for a complex home theatre system. Bluetooth audio devices strengthen wireless audio signals. Remote controls are also available, which can be programmed to control multiple devices, and are compatible with infrared distribution systems.