I tried Devialet’s spherical new speaker and it makes Amazon Echo feel like a toy

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How often does a world-renowned audio team barge in from Paris for 24 hours and invite you to a sane London hotel to hear what they’ll only call “Mania”? Not often. And when such invitations come in, you leave what you are doing and go.

As anyone who knows Devialet knows, Mania is built from strong stock. The French audio specialist’s hits include the high-end Dione soundbar, the Phantom I wireless speaker and most recently a pioneering quest for luxury onboard sound systems to name a few. But Mania is different again.