The only difference between 3k$ IEMs(Odin,Legend Evo,Fir Xenon6,64 Fourte etc) and 6k$ IEMS(Traiilii,Mason etc) is tonality. Sound level is almost the same.Even price is not equivalent of performance, I think consumers still have the valid reason to have such expectation. For me, the first upgrade of IEM from a $60 KZ AS10 to $300 T800 is a huge dissappointment. However, from $300 to $720 (Monarch OG) is justifiable since I can clearly tell the difference and I enjoy Monarch a lot more. Next upgrade is to the $1,400 range (Mest Mk2), and I can still hear the improvement. Everyone knows the diminishing return, however, it is still depending on who you are to make the call that the last improvement is negligible. I guess I may eventually try some endgame IEM in the $3,000 range, but absolutely not anymore.
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