I am using a pioneer equalizer to get the treble down. I can not stand any headphone without turning down the treble. I have HD600, AKG K501, Philips HP890 and HD570. To me they are all too bright. Here are some reason i have thought out. CDs are mastered bright. Bright sounding CDs sells...

I received my K501 a few days ago. I have used HD600 for a year. HD600 is the best headphones i have so i always compare headphones to HD600. I have a few other headphones, HD570, Philips HP890 and Sony MDR-CD480. None of them comes close to HD600 in sound quality. I decided before i bought K501...

I am using a pair of sennheiser HD-600 with an Onkyo Integra A-807 amplifier. I think it sounds good. Would it be better with a headphone amp. How would I connect the headphone amp to my system?. The amps I looked at doesn't have any bass or treble controls. I need to turn down the treble...