I have been using receivers as PrePro’s since the 80’s. I have a stack of OutlawAudio M200 mono’s that power my system, the “7” in my systems 7.1.4 description
i’ve owned a X4300 since it was released in 2016, extremely happy with its HT performance. I rreally like the Audyssey room correction, theres a real nice app that you can use to improve control over it via WiFi. I use (4) channels of the Denon for my (4) Atmos speakers.
Is it a Krell or DonSachs, of course not, nor does anyone claim anywhere it was, but for HT it does just fine. On the other hand if i ran the movie Transformers through my 2ch rig i would be very disappointed to say the least with the absence of 6000watts and (4) 15” sealed subs, That said, music and HT are two very different things, if Music is what you are looking for then a separate system may suit your needs.
While there are evil forces at work here on the forums with critical thinking and hard driving negative points of view, kinder advice is a much more neighborly jesture. Lets continue to look closer at some solutions for you friend :0)