This is well my problem... I've never heard my H650 with an other amp. The only thing I can say; it is not enough harmonious. Well above, the Shure S530 I also tried with the amp. It is not as much refined, but clearly more homogeneous. I suppose I've just broken an open door :-)   Best...

I cannot say you are bearer of bad news. You just bring me truth, which obviously would have never come from headroom's mouth :-) (they actually advised me to buy the h650 to match the portable amp i had bought) The problem in what you say, is that i need a portable equipment working on...

Hi, My question is in the title. The association of the micro amp with the Senn h650 lacks of depth. Not enough bass in other words. I would like to twang a bit more. And i don't who is mainly responsible for that. Could i get some advice ? Best regards Alexandre.