Magico M9 a ton of weight and a million dollar price tag $750,000

@esarhaddon , fan of PVC foamed sheet stock here as well.  One has to treat it with a certain amount of care, since it will dent and scratch....

But I doubt there's many that don't beat up their speakers on a regular basis, anyway.  Years ago, JBL marketed a bookshelf speaker that was similar in size to the L100 that was our 'shop units' that performed beautifully even when set to 'out loud' a table saw in a large 2 story space (40x 100, more or less....never put a tape measure to it...).

Didn't cost mega$, either....but it wasn't available, then or now....

@quincy ..multiple crossovers, or a custom one....

If you can afford the speakers, you could easily opt for that....but I suspect that they already have that covered.

If they didn't, it's because you didn't want that.  And you'd have crossed your self into 'control obsessive behavior land' .

When is too much enough, anyway?  Just 'musing...🤷‍♂️