Patent ID: 8712089

Claim:
An earphone comprising: an acoustic driver that converts applied audio signals to acoustic energy; a housing containing the acoustic driver, the housing including a front chamber acoustically coupled to the acoustic driver, wherein the housing includes a nozzle that extends the front chamber towards the ear canal of a user when the earphone is worn; and an ear interface comprising: a body portion that occupies substantially the entire lower concha of a user's ear when worn by the user, an outlet extending from the body portion and into at least the entrance of the user's ear canal when worn by the user, wherein the outlet at least partially surrounds the nozzle of the housing and provides a passageway for conducting acoustic energy to the user's ear canal, and a leg extending from the body portion, wherein the leg is formed of a compliant material and applies an outward pressure to the antihelix of the user's ear along substantially the entire length of the leg when the ear interface is worn by the user.