Impressions huh?   I've had my HE-400 since the end of May, paired with HRT MS II and Matrix M-Stage. When I first got them in my hands, I was all like "wow they're pretty heavy". But when I put them on my head they didn't feel heavy at all. No comfort issues at all. And then there is the...

AKG K272 HD and now Hifiman HE-400

I'm also in need of an amp for the HE-400. I would pay up to 250 euros, and it has to be available within the EU. Can I get any suggestions? I've been thinking about the Matrix M-stage as it has output which i would use for my Pioneer stereo amp, but I'm afraid that the M-stage is too warm sounding.

Do the M-Stage and HE-400 go well together? I'm planning on buying this set alongside HRT MS II.