I have never used a renown high end Portable Amp before as previously what I had used was Fiio product. Im new to Audiophile Headphone too....    Fiio E7 was my first portable DAC/Amp and i was quite disappointed as I don't feel the "punch" from my music. The overall of the song also seems grey to me. I am using HD650 and it doesnt go well with the can. I was so displeased which i later change it to Fiio E11. E11 makes my songs rumble to LIFE due to the strong bass and overall seems more lively than ever. Everything seems rite now but I was a...

A good headphone with an affordable price. With the right AMP, LOD and headphone cables. It can be godly. Strongly recommend to those who are new to audiophile headphone.    The default HD650 may sounds warm, thick or even muddy but still it voice down if this is the type of style you would prefer...   I have rewrote this article as today I'm delighted that my new setup on HD650 has reached another level, a level which I really like it so much....  The sound is a lot more brighter. Soundstage became wider, and best of all not at the expense...