Onkyo TX-NR636 7.2-Ch Dolby Atmos Ready Network A/V Receiver w/ HDMI 2.0 Five of the receiver's seven HDMI inputs support 4K video at 60 frames per second Now you can add thunderous 7 2-channel surround-sound to the latest blockbuster 4K/60 Hz games and movies for a breathtakingly realistic entertainment experience The Onkyo TX-NR636 doubles the power with two 32-bit processing engines decoding multichannel studio-resolution soundtracks along with a huge variety of HD audio files, including 5 6 MHz DSD (the same format used for Super Audio CD) Built-in Wi-Fi and Bluetooth The remote app streams any music stored on your device, will locate and stream HD audio from network-attached devices The Advanced Music Optimizer restores compressed Bluetooth audio files to close to their original fidelity The Onkyo TX-NR636 doubles the power with two 32-bit processing engines decoding multichannel studio-resolution soundtracks along with a huge variety of HD audio files, including 5 6 MHz DSD (the same format used for Super Audio CD) AccuEQ by Onkyo simplifies the initial home theater setup process and makes both surround sound and two-channel audio more cohesive and realistic in your listening space