HD 660S2

Just another 2 cents: for me the price difference between the 660s2 and the 600 was like 180 euros. Since the 600 were praised so well in general by many, I figured that 660s2 wasn’t worth those extra costs, although I understood from Sennheiser that they are build with way more complex technology.

Yup. In my experience, unless you have a pair of actually power-hungry headphones (and it's a short list!), you won't hear a big difference between a $9 dongle and a VERY expensive stack. The 660S2 isn't THAT hard to drive; even with a North American Apple dongle and an iPhone, I listen around 60% o

I’ll take almost anything over the 770, so … yeah, they’re both better than it. 😂 The 490 definitely has a better soundstage in terms of both width and separation within it; the 660s2 was a step up from the three blob people complain about with the rest of the 6X0s but it’s not as good as something