Engineers develop cheap flexible loudspeaker that's only 0.25mm thick

A loudspeaker that’s so flat and flexible it can be tacked to a wall just like a picture? That’s precisely what engineers at Warwick Audio Technologies in the UK have cooked up. The speaker – dubbed the Flat Flexible Loudspeaker (FFL) for obvious reasons – is less than 0.25mm and thin enough to be concealed inside office ceiling tiles, cars or printed with a design and attached to any flat surface, like a wall.

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