BestStopDeals via eBay offers the Yamaha 775-watt 7.2-Channel Wireless Network AV Receiver, model no. RX-V777BT, for $649.99 with free shipping. That's the lowest total price we could find by $50. Features include up to 130 watts per channel, Bluetooth adapter, six HDMI inputs, two HDMI outputs, and AirPlay.