Briefly, in accordance with one or more embodiments, a hearing aid comprises a housing and an audio processing system disposed in the housing, the audio processing system comprising at least one amplifier, an earbud formed as part of the housing or coupled to the housing to fit into an external acoustic meatus or ear canal of a user, one or more microphones coupled to an input of the amplifier, and one or more drivers coupled to an output of the amplifier to reproduce an amplified version of an input acoustic wave impinging on the one or more microphones. The audio processing system including a processor coupled between the microphone and the driver, wherein the processor is to provide one or more hearing correction functions. At least one of the one or more drivers or the one or more microphones, or a combination thereof, comprises an electrostatic acoustic transducer.