I purchased a pair of these several years ago when I first built my hometheater. Having come from home theater in a box and soundbars this at the time was a lot of money. Once you look at what is out there and what these speakers offer for the price they are punching above their price point. These speakers being efficient don't need a lot of power so an AVR can power them. But I would suggest to let them really sing get yourself a dedicated amplifier. These speakers look awesome, have very good dynamics. Honestly after listening to many speakers I can't fault these for their price. I replaced these speakers with a pair of SVS Ultra Towers as I wanted more mid-range, but even after that I couldn't sell these speakers. They are now setup in another home theater. Get the RP-504c as a center channel. These speakers I didn't find too bright (something I find with other Klipsch speakers). I would suggest these over the Reference line, the added price is well worth it. The magnetic grills are a nice touch, all speakers should have these!