The more insane thing is all this high-end stuff. Taking the recordings, speakers distortion and background noise floor that we have, any amplifier with enough power and at least 80 SINAD measurement is all we need.
Over that, i pay for the reliability and constructive quality ... more in brands that showed this in many time ... that aspects also cost money. Something only few people consider in this forum.
To be clear, Topping has had a fairly good reputation until this lemon came along. Their devices are generally well-constructed, attractive, and have a high value proposition. Nobody really knows what went wrong with this particular unit, and Topping has been pretty quiet about it.