I have my speakers setup with four across the back wall. The two dipole/bipole speakers, and my main speakers form a box. The center channel speaker is above the display. The rear center speakers are above the couch, and angled down. The two center rear speakers are powered by my 1050,and the other five are powered by my 755. The sub is in front between the left main, and the center channel speaker. When I first set up the speakers in the room I had the couch right up agianst the rear wall, and it sounded OK. The I moved the couch eighteen inches away from the wall, and re-calibrated everything. It sounds much better with things arranged this way.