I've always loved tinkering with audio systems, and when I first tested a similar receiver, I discovered that even a perfectly tuned sound could be completely lost if the TV wasn't transmitting the signal correctly. While searching for the cause, I stumbled across the website https://vizio.pissedconsumer.com/customer-service.html , where I read complaints from people experiencing similar oddities.

no one were found

It is truly powerful as it delivers "only" 65W per channel from EACH of the 7 channels, then, if you have a 7.1 you can go VERY loud with it. The DAC works flawlessly well in botth ways as DAC or as CAD. It features a big amount of connectivity options so you can hook several components to it, both, audio or video.

The automatic EZ/EQ is not accurate, you need yo manually help the AVR if you want to achieve an exact EQ Runs hot but a couple of silent little vents help