Our Guarantee All Denon Factory Certified Pre-owned Product sold by World Wide Stereo is guaranteed to perform as new and is backed by a one-year parts and labor warranty serviceable by any authorized Denon service center. Upgrade to Immersive Home Theater The 7.2 channel AVR-S750H supports immersive audio formats Dolby Atmos Dolby Atmos Height Virtualization DTS:X and DTS Virtual:X. Features an advanced HDMI section (6 inputs/1 output) and the latest video technologies including Dolby Vision HDR10 HLG and eARC support. Play your MP3 WAV FLAC ALAC and DSD (2.8/5.6MHz) files via the front-panel USB or stream Spotify Pandora Tidal and more with HEOS wireless multi-room music streaming technology. Features High-performance discrete 7-channel amplifier Dolby Atmos and DTS:X Dolby Atmos height virtualization technology and DTS Virtual:X 6 HDMI inputs with full HDCP 2.3 support 1 output 4K Ultra HD 60Hz full-rate passthrough Award-winning Denon Setup Assistant Works with Amazon Alexa Google Assistant or Apple Siri HEOS built-in High-Performance Discrete 7-Channel Amplifier Featuring discrete high-current power amplifiers on all channels the AVR-S750H delivers 165W per channel (6 ohms 1 kHz THD 10% 1ch driven). With low impedance driver capability it offers operational stability with a wide range of speakers for balanced quality sound. Plus auto Eco Mode adjusts power output to speakers based on volume level and on-screen eco meter providing power consumption reduction in real-time. Advanced HDMI Video Section with eARC Support Enjoy your favorite movies shows and games with the best picture quality available. The AVR-S750H features six HDMI inputs and one output including one input on the front panel that supports full 4K Ultra HD HDR10 (High Dynamic Range) BT.2020 Wide Color Gamut and 4:4:4 Pure Color sub-sampling. Dolby Vision compatibility and HLG (Hybrid Log-Gamma) provide exceptional brightness contrast and color. HDCP 2