And for the love of god, Massdrop, contact Hifiman for some updated ORIGINAL HE400. Double-sided magnet, big body bass included, with less treble.
You'd make an absolute MINT off them. We want a true HE-400 successor, not these 400i and 400s headphones that don't even sound anything like an HE400.
TRUST ME ON THIS. If you got HFM to do this with you, you'd make a LOT of people happy.
For someone who has owned TH900s and various other headphones, only to come back to...