Adhesive film for the protection of hearing device...

Adjustable mount for a loudspeaker

Adjusting and display tool and potentiometer

Affixed behind-the-ear child resistant volume control cover

Aided ear bud

Aided ear bud

AM Stereo pilot signal detection circuitry

Ambidextrous earpiece

Ambidextrous earpiece

Ambidextrous sound delivery tube system

Announcement recording and message playback system for a telepho

Apparatus and method for a custom soft-solid hearing aid

Apparatus and method for audio data compression and expansion wi

Apparatus and method for speech signal processing

Apparatus and methods for combining audio compression and...

Apparatus and methods for increasing magnetic field in an...

Apparatus and methods for proportional audio compression and...

Apparatus for and method of filtering in an digital hearing...

Apparatus for and method of programming a digital hearing aid

Apparatus for communication coupling with a hearing aid