Etymotic(音特美)ER4XR $199 on Adorama
https://www.adorama.com/etyer4xr.html?sdtid=14325611&emailprice=t&sterm=xmJT5DSwgxyOU7k0MdV3iVCmUkiVZQWt1yp0wM0&utm_source=rflaid62905
src: https://www.reddit.com/r/headphones/comments/io84sp/etymotic_research_er4xr_for_199/
https://www.adorama.com/etyer4xr.html?sdtid=14325611&emailprice=t&sterm=xmJT5DSwgxyOU7k0MdV3iVCmUkiVZQWt1yp0wM0&utm_source=rflaid62905
src: https://www.reddit.com/r/headphones/comments/io84sp/etymotic_research_er4xr_for_199/