Hes looking forward to having something with arch support that is easy to clean. The illustrations were especially helpful and in point thank you so much for the creation of this book! After completing the setup I am very happy with the Spotypal system. Clear, crisp and refined sound Quality and the Bass is omg. Of course you can play music through them for that period constantly, but again, I want to burn in all parts equally so I use pink noise. ist der Kopfhöreranchluss nicht ganz zentrisch. When you turn the speaker on and off it plays an ugly electric guitar riff that I hate. But i dont care, if the product itself is not good. I ordered all three sizes (just to try them on) - and I went with the medium. It was really noticeable with certain female voices hissing ssss’s that didn’t sound natural.