Two solutions for you: Etymotics or Custom IEMs. In my experience owning both, they isolate better than the vast majority of current ANC headphones. The Etymotics will also bring weird feelings to your ears, but a different type. Custom IEMs will bring weird feelings to your bank account.
ndquoctrong99
joined 1 year ago
check out the recordings by sir simon rattle and berlin philharmonic too!