Lohb
Headphoneus Supremus
Am receiving a 2021 LCD-X and a late 2020 LCD-4 soon.Same experience here. LCD2f<LCD-X<LCD-4. The only problem I have encountered has been the desire to spend more on Audeze headphones. I AM WAITING ON YOU LCD-5!
Will be interesting to see how they compare, before even thinking of the NEXT LEVEL (there always is one in this game of no end-game in sight after 8 years of hunting for 'The One').
Abyss 1266 and SR-1 both look utterly ridiculous though I think I'd at least give SR-1 a try...a wearable mids/treble tweeter