Looking at adding an amp to my system. Had my mind set on either a XPA-2 to run my A9s or the XPA-3 for the R-C-L. Feel the 876 is very capable of running the surrounds. Actually satisfied with HT performance with the 876 running the front 3 and my adcom powering the surrounds. The 2 channel/music mode is what I would like to improve most. Emotiva recommended I go with the XPA-5. They claim I will improve both.