Graphene, due to being incredibly lightweight and impressively durable, could be the ideal solution to the production of supremely efficient audio devices. Particularly headphones. 

Follow the development of any technological device over the 20th and 21st Century and you will undoubtedly see a shift in size and efficiency.

Take Televisions as an example, massive bulky units with cathode-ray tubes have been replaced by slimmer flat screen designs. In addition to this slimming down, a massive increase in efficiency and reduced power demands have allowed screens to become larger in size than ever before. 

Now, the use of graphene could usher in a similar revolution in speaker and audio systems.

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