A hearing test system comprises: a control device for controlling a hearing aid comprising a communication interface arranged to allow two-way communication and software for executing predefined sequences of sounds saved in a memory module of the device in response to an instruction from a control station equipped with remote control software; at least one hearing aid comprising a communication interface arranged to allow two-way communication with the control device, the device comprising a software layer for communication with the hearing aid and being arranged to provide a gateway between the control station and the hearing aid; and means for the sound insulation of the hearing aid.