AVS Special Member
Join Date: Jan 2010
Location: Beauvoir, Mississippi
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For instance, if I understand the specs for that amp, you could use it to power Left, Right, Center & Surround (2); then use the 4520 to power 2 each: Height, Wide & Surround Back.
I do NOT know your speakers, but seems they are power hungry, so using the amp may allow you to use a less powerful AVR, such as the X4000, or another, as long as it has pre-outs.
X4000 will do up to 9.2, with external amp.
How many channels do you want to run?