This post is now superseeded by  Background A question that regularly comes up is how much power does an AVR deliver in a multi-channel setup.  It is not helped by many AVR vendors delivering misleading numbers in their specifications and without any information on multi-channel performance.  To understand how and why AVR companies do this, please have a look at this old but still relevant Audioholics article.   In addition to the main question, the following come up as well