The research and development of the German AD continues
AD's speaker system offers excellent value for money. AD's high performance and reasonable price make it one of the top brands worldwide. All speaker components, including the compressed drivers, constant-frequency pickup, passive frequency divider, and AD cabinet, are carefully designed, selected, and assembled, resulting in outstanding performance such as high quality, beautiful sound quality, extremely low distortion, smooth frequency response, and easy installation. They have earned the trust and admiration of professionals around the world.
