An apparatus includes a headphone driver and a processor in communication with the headphone driver. The processor is configured to receive an audio setting selection from among a plurality of audio setting selections. Each audio setting selection is associated with a frequency range that includes at least one frequency that is outside of a range of human hearing. The processor is further configured to receive an audio signal and to process the audio signal according to the selected audio setting selection to generate an output signal. The processor is configured to provide an output signal to the headphone driver.