Hearing aid format selector

A selector module comprising:

• a housing in which an electronic circuit is enclosed;
• and
• a controller for selecting one of a plurality of signal processing formats such that a user may select an optimum format for use in a corresponding production hearing aid device.

A hearing aid test unit for simulating a form and fit of a corresponding production hearing aid device, the hearing aid test unit comprising:

• a core including a microphone to sense a sound input and an electronic circuit to drive a speaker based on the sound input;
• and
• a cable including an electronic signal for selecting a frequency response of the hearing aid test unit device.

A hearing aid device comprising:

• a core including a microphone and speaker to sense and amplify a sound input for a hearing impaired patient;
• and
• a removably attached component disposed in relation to a body of the core of the hearing aid device.

An electrically conductive lead comprising:

• a conductive strip;
• and
• a slit disposed on the conductive strip for attaching said conductive lead to an electrode.

An apparatus comprising:

• a cable assembly terminated at one end by a hearing aid device;
• and
• an electronic circuit disposed in the cable assembly for processing an acoustical input of the hearing aid device to produce an acoustical output.

An assembly for use in a hearing aid device that fits in an ear, the assembly comprising an electronic component and a socket, whereby a portion of the electronic component is formed to engage with a non-conductive portion of the socket.