The 9-in TV media in-wall box with a power supply kit is ideal for concealing and organizing media devices and power in the wall to create a sleek, finished look. The perfect solution directly behind any wall-mounted TV to store streaming devices like Apple TV, Roku, Amazon Fire TV, network switches, and more. Featuring an included power supply kit to bring power to the TV and other mounted devices. Constructed of Wi-Fi transparent material to manage wireless components with cable knockouts to help organize cables. Complete solution - Includes box, trimring, cover, hook and loop strap, extra mounting plate, junction box, and outlet, instructions, and cut-out template.