Match 4K movies and games with high-definition audio by using this 5.2-channel Onkyo A/V receiver. Its Dolby TrueHD and DTS-HD Master Audio decoding produces dynamic sound details, and its AccuEQ room calibration system optimizes the surround sound settings for your speakers. This versatile Onkyo A/V receiver supports various audio sources with its HDMI inputs, analog connectors and Bluetooth connectivity. Includes HDMI 4K Ultra HD and 3D pass-through technologies for compatibility with 3D TVs, Blu-ray players and gaming consoles and 4K Ultra HD TVs.