CPC H04R 1/2849 (2013.01) [H04R 1/02 (2013.01); H04R 1/1016 (2013.01); H04R 1/1058 (2013.01); H04R 1/1075 (2013.01); H04R 1/2826 (2013.01); H04R 1/2846 (2013.01); H04R 1/023 (2013.01)] | 20 Claims |
16. An earphone housing comprising:
a cap portion that defines a first chamber coupled to a front face of a driver;
a body portion that defines a second chamber coupled to a back face of the driver;
a first opening formed through the cap portion and open to a surrounding environment
a first port formed through the body portion and open to the surrounding environment; and
an acoustic channel positioned within the body portion and connecting the first port to the second chamber, wherein the acoustic channel is formed by a groove along an exterior surface of a casing positioned within the second chamber and an interior surface of the body portion coupled to the casing.
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