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. High-Performance 5 Channel Discrete Amplifier Featuring discrete power output devices on all channels, the AVR-S540BT delivers a maximum of 140 watts per channel. It's equipped with low impedance drive capability for operational stability within a wide range of speakers.