HI ALL I am wanting to run 4 tvs at the same time preferably in hd from a single hd sat reciever .i do understand they will all be on the same channel as the stb but thats ok , is it just a case of the dish feed to the stb and then a stb feed to a multiple feed amp ,4 way and then equal coax lengths to the individual tvs , will the sound work this way at the tv ends ? , i would appreaciate any help on this one please , many thanks all ...