Amazon.com: Denon AVR-S540BT 5.2 channel Receiver - 4K Ultra HD Audio Video, Bluetooth, USB port, Compatible with HEOS Link for Wireless Music Streaming (Discontinued by Manufacturer) : Everything Else
Denon AVR-S540BT Receiver, 5.2 channel, 4K Ultra HD Audio and Video, Home Theater System, built-in Bluetooth and USB port, Compatible with HEOS Link for Wireless Music Streaming : Amazon.ca: Electronics
Denon AVR-X8500H (Black) 13.2-channel home theater receiver with Wi-Fi®, Dolby Atmos®, Apple® AirPlay® 2, and HEOS at Crutchfield
Connecting a USB memory device to the USB port AVR-S760H