5.1 Surround Sound system featuring BDSS midrange woofers, passive bass radiators, and aluminum dome tweeters for rich, detailed audio. Enjoy 8K quality video. Three 8K inputs and one output allow for 8K/60Hz and 4K/120Hz pass-through. 8K upscaling available on all six HDMI inputs. High-performance discrete 7-channel amplifier. Delivers maximum performance and 80W per channel to provide the classic and dynamic Denon sound experience. Enhanced Audio Return Channel (eARC) HDMI support Connect your eARC HDMI-supported TV through the AVR-1700H’s main HDMI output to allow uncompressed and object-based audio formats like Dolby Atmos and DTS:X to directly send from your smart TV app to your AV receiver. Wireless streaming from the most popular music services. Enjoy music services like Spotify, Pandora, Amazon Music HD, TIDAL, Deezer, and more. Experience cinematic sound at home with the Denon AVR-X1700H 7.2ch 8K receiver and the powerful ProCinema 6D speaker system. Enjoy 3D audio, voice control, 8K HDMI, and room-filling surround sound—all in one premium bundle.