Disclosed herein are examples of methods and systems for performing a calibration check of a personal hearing test system using a built-in calibration cavity, particularly for use by a non-expert user outside the clinical environment. The hearing test system includes a one or more earpieces. The hearing test system further includes a portable test unit having an acoustic calibration cavity for accommodating the earpiece at least partially therein. The acoustic calibration cavity may include an opening along an exterior surface of the portable test unit. The acoustic calibration cavity receives an acoustic calibration stimuli and the microphone provided within the acoustic calibration cavity produces a calibration signal input for measuring and performing a calibration check, or an automatic self-calibration.