Hifiman HE-R9 (https://store.hifiman.com/index.php/he-r9.html) or you can get the JM Modded one which reins in the treble and makes the soundstage and imaging much better from (https://www.jmaudioeditions.com/product-page/hifiman-he-r9-jm-ocd-extreme-stealth-edition)

and it's a 32 ohm Impedance, 103dB/mW SPL Sensitivity Closed Back. So right up your alley.