Devialet wants to cancel in-flight headphones with luxury in-seat sound systems

The quest for high-end sound systems in similarly auspicious transportation vessels often results in mouth-watering partnerships – see Maserati and Sonus Faber or Mercedes and Burmester for starters. 

But however aspirational, the sound systems in those vehicles aren't meant to leave the ground en masse (not yet anyway) and they don't have to counteract the powerful jet engines all passenger aeroplanes are equipped with. 

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