A:AnswerIf you're running two fronts, one center, two rears and a sub, you should be fine. You'll be running a 5.1 setup. I run a 5.2.2 setup with two fronts, one center, two high-rears, one sub and two high fronts.
A:AnswerI have not setup the unit yet, but I don't believe there is an IR port. I have used an IR hub to extend a signal to the receiver and audio/video components, which permits access in/behind the cabinet.
A:AnswerThe receiver has both analog & digital audio connections for the CD player.
Of those speakers can connect with standard speaker wire it'll work.