My missus did say I’m a cheap date…
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No ambition some people.
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“It’s not Bass if the walls ain’t bending…”
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Interesting choice to have a 2" driver in a massive front horn like that in a 2 way system. The crossover frequency is 500Hz; it’s a big mouth for that frequency, it seems to me.
Someone should definitely DIY something like this. It’s just a butt-load of big woofers in a W horn and a straight front horn with compression driver. You could build that for a couple of grand and a week off work.
You haven’t seen Adam’s handiwork, have you?! 
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Trouble is unless you go for something like 2482’s there aren’t many 2" comp drivers that’ll play well so low without being behind a WE style 15ft long rolled up horn.
And thus starts the inexorable drift to five ways…
That speaker next to it is the FS1 model (16 inch woofer) which is the larger version of my FS2. Not many people know that.
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I never heard these but I found them intriguing.
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Further to Murray’s comments…
For ultimate quality playing 16" drivers up to 500Hz - nono!
A 2" driver in a horn like that really wouldn’t play much higher than 5 or 6KHz.
So whilst it will make sound, I would wonder about the quality.
So you need a mid bass horn in between and upper mid and / or tweeter on top.
So 4 or 5 way🙂
Yeah you always get to that point!
I wonder whether using that kind of bass system but wider, so there’s a vertical gap in the middle. That you then fill with an 8" driver plus horn doing 150-600, then a 330Hz horn with a 1.4-2" plus a tweeter on top.
I quite like the idea of everything enclosed in the bass system!
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Using the GPA 415-8B Biflex driver, interesting.
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For a sprightly 36,000 €!
Insane price for what they are!
Yeah, the GPA driver is £1.3k/ea (non trade), I can’t imagine there is a huge amount of R&D in that speaker.