Thanks, interesting! I'll look for a BK2. Never heard the dual driver Technics, but had a phone call not long ago with another crazy vintage enthusiast from my country (we are both Hungarians, but we "met" at a Thai Earbuds forum on Facebook, funny life
) - and he said that the Technics might not even be that strong on the bass, the dual driver thing does not necessarily bring out what we might consider a strong bass when we talk about a 20mm driver earbud - which might correlate to what you write about the strong EQing. Otherwise what I find with the MDR-E262 or the MDR-E282, is that they are usually good out of the box. The 262 is a bit more natural (although it has the reflex tube), the 282 has it's own world, definitely colours the sound, but in a way that is quite appealing- at least for my taste. And the soundstage is fantastic.