Bo Bengtsson's $2 Million Ultimate Speakers

Bengtsson builds the world’s most expensive speakers. The $2 million Ultimate can hit 150 decibels with almost no distortion
Bengtsson builds the world’s most expensive speakers. The $2 million Ultimate can hit 150 decibels with almost no distortion Photograph by Klara Källström and Thobias Fäldt for Bloomberg Businessweek

You use 40 subwoofer cones, all lined up in a grid, for the bass. Why not fewer big ones instead?
This way, you get extremely low distortion, so low you can’t measure it. Frankly, that was more or less how I wanted to challenge myself: by asking, “What would it take to make a no-compromise speaker that could play very loud with a distortion so low that it’s barely measurable?”

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