The Yamaha RX-V573 , a 7.1 channel network AV receiver, is $299.95 as Amazon's Deal of the Day. List is $549.95 and the usual Amazon price is $419.95 .

"Experience the power of a 7.1-channel network receiver with Apple Airplay, 4K Ultra HD pass-through, and a free controller app for Apple and Android devices. Plus, Zone B output capability allows the receiver to send two-channel sound to a second zone."
"The Universe is the game of the self, which plays hide and seek forever and ever" - Alan Watts