Oh, believe me, I take manufacturers' claims with a large—or make that a HUGE—grain of salt... but still... you yourself even claimed RHA are (apparently) taking our feedback seriously which would be great if true, so while I take their graph with a pinch of salt, it may still be fairly close to the real thing. What's interesting to me (or more telling, if you like, and not in a good way), though, is the scaling, which makes the MA750 seem pretty flat up to 7.5k, and because of said scaling the HUGE dip above 7.5 Khz doesn't look so severe when, in actual fact, it actually is, hence my concern. The ER4S, as you well know, is much flatter in that region. Do you have issues with the ER4S in that area?
I'm very tempted to order the MA750s (the non-i version), if only because of a personal Scottish / Glasgow connection (great to see a British company, btw, doing something seemingly very, very decent in the world of IEMs), with apparent great build quality, a 3-year warranty and a cable-over-the ear fit for an £80-£90 product.
warrenpchi, never mind what I wrote yesterday (highlighted text above). I've just placed an order for the MA750s, but you should be warned that our cheerful sparrow's sole objective is to make Mr warrenpchi, RHA's shill enthusiast, look pretty bad and lose credibility (not unlike how Mr Currawong looked after his FXZ200 comments) after our ageing sparrow dude posts his impressions. Should you feel the need to retaliate after that, I suggest you mention music_4321's love for the Kings of Incoherence (aka the K3003s) and the "abominations" (aka the Piano Forte IXs) — that should give you plenty of ammunition to hit back.
Edited by music_4321 - 9/25/13 at 1:05pm