Denon AVR-X4400H 9.2CH High Power 4K Ultra HD AV Receiver Cutting Edge Home Theater with HEOS and Amazon Alexa Voice Control with 8 HDMI Cables and Zorro Sounds Receiver Polishing Cloth :
Denon AVR-X4400H user manual (English - 337 pages)
Denon AVR-X4400H vs Yamaha Aventage RX-A1080 Detailed Comparison
Denon AVR-X4400H AV Receiver Reviewed - HomeTheaterReview
Rear panel AVR-X4400H
Brand New Denon AVR-X4400H 9.2 Channel Home Theater Receiver 4K Dolby ATMOS HEOS
Denon AVR-X4400H Review - YouTube
Denon AVR-X4400H IN-Command 9.2-channel receiver with Wi-Fi® Dolby Atmos®, Apple® AirPlay® 2, and HEOS at Crutchfield Canada