Yamaha RX-A6AYamaha RXA6A AVENTAGE 9. 2 Channel AV Receiver with 8K HDMI and MusicCast Hear every sound, see every detail. The A6A has been carefully designed so every element of your entertainment is the best it can be. From slight whispers of sound to swift, on screen movements, the A6A ensures you wont miss a thing. 9. 2 channel (with 11. 2 channel processing) 150 Watt surround sound with Zone 2 3 4 4K120 and 8K60 HDMI and HDR10+ (with future update) with HDCP