The 5.2 channel AVR-S540BT features Dolby Vision™, 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. Use the front panel USB port to listen to your favorite tracks seamlessly, or stream music via Bluetooth® with your smart devices. Control power, volume and source with the Denon 500 Series Remote app. With our award-winning Denon Setup Assistant, the AVR-S540BT is just as easy to setup as it is to enjoy.