Abstract: A mechanism for detachably mounting an earpiece having a receiver and an acoustic tube to any one of a variety of hearing aids includes using an adhesive and a clip attached to the acoustic tube to adhere the clip and thus the earpiece to a surface of the hearing aid, so that an open end of the acoustic tube is near an acoustic aperture of the hearing aid and can thus provide an acoustic sound signal to a microphone within the hearing aid. Alternatively, the clip can be provided with a magnet and a ferric plate can be fixed to a surface of the hearing aid, so that magnetic forces between the magnet and the ferric plate will attach the earpiece and the hearing aid together. The magnet and the ferric plate can be chosen so that the earpiece will separate from the hearing aid when a relative force between the earpiece and the hearing aid exceeds a predetermined threshold, thus preventing injury to a user wearing the hearing aid and the earpiece.