The Toshiba AD-2 is an address noise reduction system that was manufactured between 1979 and 1983 in Japan. It was released at an original price of approximately 398 DM. This model is part of a series that includes the Toshiba AD-4 and Toshiba AD-15. The primary function of the AD-2 is to enhance audio playback by reducing unwanted noise, offering an improved listening experience. It is designed for use in audio setups where noise interference can detract from sound quality. Its release reflects Toshiba's commitment to innovation in audio technology during this period.