There is no longer a need to leave entertainment cabinet doors open simply to use your IR remote control. The Hidden Link Designer IR receiver is intended to be used with a Xantech connecting block, power supply and emitters, each sold separately, to create a system that will allow you to control audio and video components behind solid doors or walls using your existing IR remote. This version of the Hidden Link was is a compact, shelf-top design that can be placed on any surface and blend in with your existing décor. The use of this Hidden Link receiver along with the related connecting block, power supply and emitters will leave you with the clean lines of your entertainment center without looking at unsightly stacks of equipment and cables; enabling you to continue using your existing IR remote up to 30 feet away with the confidence it will communicate with your AV equipment behind doors and walls.