The best speaker you ever heard?

Watson Labs Model 10. Auditioned in latter 1970's. A visually striking very large speaker. Tweeter and mids set in a separate enclosure atop a large bass unit with two drivers.

Sound: room filling, accurate, large sound stage, tight bass. WOW. Should have bought a pair, but $ too much for my budget. I may have dodged a bit of a bullett though as the tweeter/mid-section had some gas filled chambers that over time likely would have leaked. Oh well. I was happy with Dan D'Agostino's satellite/sub speakers. First ever in the US at the time. Still have them, but they take a backseat to my 1986 Thiel CS2's.

In the market is available many types of wireless speakers and people have confused before buy speaker - " who is best for him "
I want recommended Kwinson Speakers have long time battery backup with smart features.

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Loudest Portable Speakers

Got to hear the two top Wilson speakers recently.  I thought they were much better than in the past generation, but still didn't do it for me.  Vandy 7's still sit at the top of my personal perch.

First time I took a hit off a joint baba o'riley was playing on a tabletop radio and i've been chasing that sound ever since.

All speakers being compromised it's hard for me to single out "best."

But in terms of realism, the most realistic sounds I've ever heard from a speaker came from the MBL 101s (one time at a reviewer's house, another at a dealer).  It made all other speakers I've heard sound like they were just "trying" and like collections of boxes and tweeters.

That's not to say the MBLs are perfect of course, just that when playing the right material I haven't heard anything that real.