The sound quality has nothing to do with HiFi. The tracks are totally tax and bassy most recently, that this is not acceptable for a Muskliebhaber. At first I thought that my sound card or the driver is defective, but this is the wrong approach. I think that this is by design, because you play the tracks with the Amazon player off all sounds normal again! That's coercion of Extra class. The soundtrack is changed, although he is paid all just scams! yesterday paid between 40zig and 50zig Euro for scrap!