9x1 Tiling 4K Multiviewer Multiplexer 9 Screen Processor PIP Controller Switcher Downscaling Switch HD 1080p Source Picture in Picture Savant Control4 RTI URC You would need to buy

You would need to buy a bunch of HDMI to optical audio adapters

Takes 4 Video Inputs and Splits it into 4 Video Outputs for 4 Displays

Our 3x4 Wall Mount System is the easiest and most convenient way to mount 12 televisions to a wall

It comes with remote control

or CAT7 cable to send video up to 330 feet away

9x1 Tiling 4K Multiviewer Multiplexer 9 Screen Processor PIP Controller Switcher Downscaling Switch HD 1080p Source Picture in Picture Savant Control4 RTI URC You would need to buyThis is a 4K Tiling processor that allows you to show up to 9 different HDMI sources on 1 TV or Projector. Your 9 HDMI sources can be: Cable boxes, Directv, Dish Network, BluRay Players, Apple TVs, Rokus, Chromecasts, Fire Sticks, Computers, or anything else with an HDMI output. The processor has scaling to ensure that it will work with all different types of resolutions from new or old. It has an extremely easy to use web control interface BUILT IN