The Denon AVR-X4400H is a high-end audio/video receiver that is part of the X-series lineup by Denon. It offers advanced features and technology, including support for Dolby Atmos, DTS:X, and Auro-3D immersive audio formats. With 9 channels of amplification, it can deliver powerful and dynamic sound for a home theater setup. The receiver also includes built-in Wi-Fi, Bluetooth, and Chromecast for wireless audio streaming, as well as HDMI inputs and outputs for connecting external devices. It supports 4K Ultra HD, HDR (High Dynamic Range), and Dolby Vision video formats, ensuring exceptional visual quality. The AVR-X4400H is known for its excellent audio performance and versatility.