I can't find any specs for OpenRun Pro drivers, regarding frequency response. I have them hooked to my PC atm and played around with EQ for a few hours. They sound better to my ears with a boost around 180Hz. And I dropped 23Hz entirely as it seems to just cause distortion. They seem tinny with a flat EQ curve. I bought these for cycling and I'm happy with them, but the EQ is an issue, certainly. Anyone have an EQ preset they use? I'm using PulseEffects.