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Hello all, My first post in the community. I recently purchased an Anthem MRX1120 receiver. The receiver powers 11 channels and 2 sub-woofers. This new receiver is upgrading my setup from a 5.2.2 to a 7.2.4 The receiver can supply 140Watts to fronts, center, surround and subs with an A/B type amplifier while the back channel and elevation is 60Watts supplied by a D type amplifier. I am currently researching what speaker to buy that would match my receiver the best. I am more precisely looking to purchase back channel speakers and Atmos elevated speakers; and it is a lot more complicated than I first thought. My current setup: RP-260F fronts RP-250C Center (but will be upgrading to RP-450C soon) RP-160M Surrounds R-110SW subs x 2 I contacted Anthem to ask if I could use RP-160M as my back speakers and they said it wouldn't be a problem as long as I do not change cross-over setting that ARC had set them. As far as Atmos is considered I was thinking of getting 2 pairs of RP-140SA that I would mount high on the wall. ( I don't believe in putting them on top of floor speakers and bouncing them off the ceiling theory myself.) What I have problem to reconcile is this: the RP-160M are 100Watts with 400Watts peak the RP-140SA are 50 watts at 200Watts peak I'm worried that I am going to ask too much of the little 60 watts amp on the receiver by putting the RP-160M as back. I have considered putting another pair of RP140SA as back mounted mid- wall. the thing is I really like having great sound. I love the current speaker I have but I never heard the RP-140SA yet - if my instinct is correct I have a feeling that they won't cut it for me just like my RP-250C is not cutting for me right now. I have never owned a 7.x.x home theater before so I don't know how much signal is sent to back channel yet. My guess is probably the same as elevation channel and reason why Anthem went with a smaller D type amp for the back and height channel. I also listen to music and having the ability to run all channels might tempt me at some point. I also have a girlfriend that loves to crank the system from time to time. I worry that she won't hear the clipping that might happen with the back and height. I could in just remove them from the equation while playing music by crating another listening configuration file just for music(I can create 4 different profiles total) So what do you guys and gals think? I want to stick with the RP series I just don't know what will work best? any suggestions? Cheers