I have Anni 23, it's a nice IEM. Agreed that it needs amping which I achieve with 475. I think it's more W-shaped than V-shaped depending on the tips. Either way, it's a little too mid-bassy for my tastes but I can live with it.I haven't heard the 2021, but the 2023 is the best treble I've ever heard. I'd personally rank it even above Ragnar. "best" means clear, natural, pristine, correct--but not harsh, bright or overly energetic. Caveat is that the Anni really needs a DAP with a good amp (not ideal with SP3K for example), or an external amp.
Have you tried Storm?It would be an insta-buy for me if not for the tuning, which is V-shaped. It's not that I disliked the tuning per se, but I'd have to spend some more time with it to get used to the tuning. What I'd really like is a more reference-tuned IEM, but with the characteristics of that phenomenal treble carried through, coherently, to the rest of the frequency spectrum.
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