Cardas EM5813 Ear Speaker In-Ear Headphones — Great Audiophile Gift

Cardas Audio’s incredible EM5813 Ear Speakers are the product of over four years in exhaustive research and development encompassing every part of the human hearing system. The human hearing system, musical chords, and the Cardas Audio EM5813 Ear Speakers are reflections of the Golden Ratio — closely related to the Fibonacci Sequence — George Cardas has based his cable and microphone designs on this age old mathematical sequence that naturally occurs in nature, architecture, and art.
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