Heres the deal with class d it absolutely wows you at first,huge wallop of bass,way to much for me,just my opin,extreme power out of class d also,but in long term listening ,i just had a overwhelming feeling of something not right,can i explain it ,of course not.Although system matching is important,but i hate to say this sometimes i think the system matching is just another excuse for a component that just doesnt sound good in the first place.