Patent ID: 7590258

Claim:
An in-ear earphone for providing high fidelity sound to the ear of a user, said earphone comprising: a housing having opposed ends and a receiver bay situated between said opposed ends, with one of said opposed ends being a front end that is inserted first into a user's ear canal and the other of said opposed ends being a rear end; at least one single armature speaker positioned in said receiver bay; first sound adjustment means adapted for user-executed acoustical treble tuning of sound produced by said single armature speaker as a result of changes made in the volume of air passing therethrough, said first sound adjustment means removably associated with said front end of said housing; flexible acoustical sealing means adapted for insertion into a user's ear canal, said flexible acoustical sealing means also positioned for detachable support at least in part upon said first sound adjustment means, said flexible acoustical sealing means further configured so that when flexible acoustical sealing means is supported by said first sound adjustment means and said first sound adjustment means becomes disassociated from said housing, said flexible acoustical sealing means also becomes disassociated from said housing; and a coaxial cable connector associated with said housing and positioned to communicate with said speaker in said receiver bay so that when a coaxial cable is attached to said connector and transmits a signal to said speaker, a user may periodically and repeatedly employ said first removable sound adjustment means to customize the treble portion of the sound created by said speaker according to user preference.