I guess it depends on what you consider passable.
It’s loud enough on 25% to disturb my neighbors, it’s clear and defined enough for me to watch normally and hear everything at 7%. There’s no observable delay, and the installation is clean enough to make my wife happy. It wasn’t cheap, but I wouldn’t consider it expensive.
In the US we call that style of grill a Santa Maria, a style popularized in central California, I believe by the Spanish colonists.