Sony WH-1000Xm4 review - a large headset marked by little progress

Expected like the messiah, the new WH-1000Xm4 takes over what is still considered one of the best ANC headsets, the WH-1000Xm3, released 2 years ago now. But, like Bose since the QC35 , Sony would he also not have reached a technological plateau, forcing it to be cunning so as not to be taxed with immobility? This is what we will try to see.