Read here:
http://www.avsforum.com/yoshinori-yamada-discusses-denon-avr-x8500h-marantz-av8805-ces-2018/
I own a Denon amp and have to say it is solid as a rock and totally reliable. I'll be sticking with Denon for my home theater amp for a long time to come. Great company. Great customer service. Great products. Stick with Denon for sure and you won't be unhappy.