Thanks for the answers, i googled equalizer programs, and found one for spotify, which is the main problem. Now i can hear songs with bass, but without getting a headache.
I recently broke my aux/headphones stick in my computer, because a jackstick broke off in it. I have tried to take it out, but it was impossible with glue, and i don't want to send it to repair.
Luckily i had a jack to usb converter, from my old headset: the logitech g330, so i used that...