Ending today, World Wide Stereo offers the Yamaha 7.2-Channel 4K Network AV Receiver, model no. RX-V681, for $389.99. Coupon code "SAVE5" cuts it to $370.49. With free shipping, that's the lowest price we could find by $30. It features 90 watts per channel (RMS), 4K Ultra HD and 3D pass-through, Bluetooth, WiFi with AirPlay support, streaming audio services (such as Pandora and Spotify), and six HDMI inputs.