The 5.2 channel Denon avr-s640h AV receiver Features Dolby vison, HDR, hlg and 4K video upscaling for a stunning home theater experience. It includes 5 HDMI inputs at 4K/60 Hz with full-rate pass-through and HDCP 2.2 support on all HDMI ports. Built-in HEOS lets you stream Spotify, Pandora, Tidal and more throughout the home. A front-panel USB offers convenient audio playback of MP3, WAV, FLAC, ALAC and DSD (2.8/5.6MHz) files. Control your AVR with Amazon Alexa voice compatibility and with Our award-winning setup assistant, the Denon avr-s640h is just as easy to setup as it is to enjoy.