Abstract: A receiver module for a personal listening device includes a motor assembly and a housing. The motor assembly includes a movable armature. The housing defines a chamber and the housing is at least partially constructed of a biocompatible material. The motor assembly is directly disposed and exposed to the chamber without the obstruction of any intervening structure. At least a portion of the housing of the receiver module is allowed to be in contact with at least a portion of the pinna that is external to the ear canal. The chamber is divided into a front volume and a back volume.

Abstract: A receiver module for a personal listening device to be fitted in the ear, on the ear, near the ear, or behind the ear, the receiver module having a movable armature, the receiver module comprises a motor assembly and a housing defining a chamber, the housing is made from a material that is corrosion resistant and is biocompatible to human skin contact. The receiver module further comprises at least one motor assembly directly disposed in the chamber. Optionally a communication link adapted to couple or decouple with the motor assembly. At least a portion of the communication link is disposed in the housing.