I ended up using a set of UE bi-flange as they made the FX40 least offensive to my ears. I don't think they're available for purchase anymore, though, so maybe try a MEElec M11+ tip set? The short MEE bi-flanges were okay for me as well and are still in production.
Hi joker, you "bought" me again a pair of new earphones... The astrotec AM90 . Like them! Received before a few hours - and they are still in my ears , listening my favorites ( Darks Side of the Moon, Getz/Gilberto , Kind of Blue...) again and again . Own just one mor pair of BAs , A151 , where the vocals, cymbals ... are more believables, but music contains other instruments, too. So I do not want to spend more than 41 bucks for other IEM. (Wish I could ) . Have a nice day! cSg
Congrats, they're a very nice budget buy and a great start for Astrotec.