From Denon website:
At 130W of power per channel, the 5.2 channel Denon AVR-X550BT AV receiver delivers quality home theater at an accessible price. Enjoy movies and shows with Full 4k Ultra HD and Dolby Vision, and five HDMI inputs (and one output) to support your media players. Plus, the AVR-X550BT supports Bluetooth for seamless music streaming.