EQ'ing that bass in is effortless. Got a 4.4mm cable for them with a nice braid.
I do gaming with them and it just feels so freaking wide.
I'm a percussion guy. Drums and intricate percussive ellements, in music, sound blissful.
Try listening to Dinossaur - OTR Remix, close your eyes and have fun.
I think joshua is spoiled by all the high end gear he has.
The soundstage in the HE400SE is pretty open and wide.
There are other sets that may do it better (at a higher price point) but to say this one doesn't have soundstage is bonkers.
I still like his content tho ...