Experience detailed surround sound and video with this slim Marantz 5.2-channel Ultra HD AV receiver. HDMI connectivity supports high-definition media sources, and compatibility with Dolby TrueHD and DTS-HD Master Audio technologies enable accurate reproduction of high-resolution audio. This Marantz 5.2-channel Ultra HD AV receiver works with Amazon Alexa, Google Assistant and Siri for seamless voice control. 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.