I have 3 surround sound receivers. A Denon 4400H, a Sony STRDN1050 and a Yamaha HTR 3066. A total of 21 channels. I want to run a total of with a total of 20-25 speakers and 4 subwoofers.i also have 8 televisions. I want all of these 2 mirror each other with the ability to run my main listening...