| 摘要 |
A sports helmet includes a liner comprised of impact resistant material and a protective shell encasing an outer surface of the liner. A female audio jack is secured within a rear cavity of the liner and has an aperture extending without the liner for receiving a male audio jack connected to a portable audio device. A pair of cavities are formed on opposite sides of the liner in which are secured speakers. Wiring extends from the female audio jack to the integral speakers. The speakers are positioned and oriented such so as to provide audio to the helmet wearer without blocking surrounding sound, and without affecting the safety aspects of the helmet.
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