Sorry mate, i have only heard the 530 like you. However the 535 is not meant to be too dissimilar to the 530 and the LTD is meant to have better treble extension. Thats all i have read and i have not tried either so do not take my word for it so sorry i can n0t help.
I will hopefully adding to the comparison lists with new IEMs i get!






























) It is hard not to be impressed by how revealing and detailed this iem is, although I found the treble sparkle slightly overdone for my taste. On few tracks I detected some glare or "splashiness". The prominent treble also make them sound very open with a wide soundstage but depht and imaging isn't as good as the PFE232.
. The PFE has more bass and is more punchy but is quite dark in comparison. The PFE is more laid-back and "natural" somehow while the Heir reclaim your attention and just impress more.
I believe if the sound tube was a couple of mm longer it would be fine as it is the same size as the FX700 and have no issues with those.


