I've had a set for 24 hours now.  First impressions - not bad.  Can't decide if I want to run them with Treble Reducer EQ out of iP4, but it seems to be settling down after 12 hours.  That or they've successfully fried my hearing in just one day.   Bass performance is the best I've heard...

Sorry to bump an ancient thread, but eBay had a daily deal straight from Skullcandy of the 2011 Titan model at a tasty price - $19.99 shipped. I grabbed a set and compared them to the IEM I had laying around: MEElectronics M9P and Head-Direct RE2. Compared to both of those sets, I strongly...

Publicity is cool and all, but I'd buy an $11 pair of excellent headphones from just about anywhere.   Also - jealous.  Very, very jealous.

Some say the 515 is eq'd hot in the treble and bass with a recessed midrange, but I've logged a good 100 hours on mine and really like them.  They're an easy listen, but there's no "Sennheiser veil;" everything is there.  I heard the vibrato in one my favorite singers voices in this way that was...

I love my V6s and use them pretty much every day when messing with GarageBand or other such applications.   That said, they can be a touch sibilant with some material.    The Sennheiser HD515 isn't super well-regarded here, but as several places are blowing them out at $50 or less now...