Minus 3dB at around 14KHz fixed it somewhat for me.

While I'm satisfied with my new HE-400s, I have to admit that past the 200$ mark the diminishing returns really kick in. While I do think these are humongous improvement from the Sennheiser HD598s, they arent twice the headphone. I think I might have reached the absolute maximum I'm dropping...

Quote: Yes, it is a DAC. You might need an amp, but it's hard to say. "Need" is a subjective word in this case too. I'm sure they will reproduce music to you and in my testing the weaker sound sources simply thin out the bass, which has very high resistance with these headphones.  ...

Quote: The only difference I notice is when I connect these to my HT amp. It just bloats the bass even more. It's already bloated on my non-powered dac, so its pretty bad. Maybe the 300ohm spike is there for a reason, because the bass is half-way decent when running from my laptop. The...

Quote: Vocals are great. Acoustic also. Things that happen beyond the 1KHz point are just fine and detailed. The thing is I listen to mostly metal music. Metal means _very_ quick double bass drums, very aggressive bass playing and _veeery_ low tuned rhythm guitars. This combination will...

I bought a pair of said headphones today. After the treble-infused AKG K271 MK2, well, they do sound different. I was kinda pleased with the treble in the AKG, but the low end was kinda lacking structure and the ergonomics were very poor. With these, I already knew in advance that comfort would...