hi i am amer from syria and i need help for buying new headphones .
i have Sennheiser HD 555 and i want to upgrade to AKG HEADPHONES because i need good bass
and i listen to arabic music - english pop music and yanni music .
so i want to know what is right for me from this headphones .
1- AKG K271 MKII
2- AKG K240 Studios
3- AKG K 702
4- AKG K 141 MK II