R u sure u r not the problem?? U sure u r not sick??
Extreme headache??
Sennheiser hd 203,is known for it's comfortness,why would u get a headache??
I have right now a ath m50,it's really hot using it,kinda hurt and tight,after 2 hours,but i don't really get a headache,
Maybe after 6 hours...