Affordable vs. ultra expensive speakers - what's the difference?

No speakers at any cost will beat by his upgrading power,

These 6 aspects of acoustic control parameters in a room:

-Balance between absorbing surfaces,

-Reflecting one,

-Diffusive one....

-control over reverberation time and timing of the wavefronts

- control over the distribution of the pressure zones

- fine layering and tuning of the laminar flow

These 3 last aspects could be  controlled with Helmhotz mechanical  method NOT by electronical equalization...

Dont upgrade good speakers with costly one BEFORE studying and experimenting with acoustic...

@jbhiller i couldn’t agree with you more, each upgrade makes me believe I can now reach the next echelon of component, something I never thought I’d get to 10 years ago. The same goes for the spending habits people have that are socially understood, music, despite it being almost vital to life, seems like an afterthought for many. I use my system basically everyday and enjoy it for hours, what else is getting that kind of use except my work laptop!

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@jbhiller Well said.

For me: “I don't have $50k speakers, but today I have $32K speakers and I never thought I'd get here.  I can now fathom maybe a $70K set of speakers if I could use them and enjoy them thoroughly for 20 years. 

However, when I retired I had $13K speakers which I thought I would have forever, and was able to upgrade to these $34K speakers… wow, I am so lucky… and enjoy them every day. They are so much more than I thought speakers could be.

I'd tell the O.P. that 'diminishing returns' are part of the difference between a 2k and a 50k loudspeaker, assuming he'd understand that the 50k can sound better.

By the 'tone' of his question I think he may be just irritated with folks who can appreciate and afford better models. He might enjoy some high-end speaker bashing, don't know.

Accept diminishing returns and buy only what you can hear. If it's a tin ear then the $2k may satisfy for a lifetime. Some are so well-designed they can. Still, I'll enjoy a Tidal Audio or Rockport or MBL, etc, far more than a cheaper pair.

For me  @jhiller  has is exactly right. Don't own a boat or snowmobile, don't need fancy new depreciating cars (some good used ones can be fun, eg Miata). Putting money into a hobby I enjoy every day makes a lot more sense.

Perhaps the O.P. should venture out and hear some world-class designed loudspeaker and he'll get it figured out.