・ About ADVENT
The company was founded by Henry E. Cross in 1967.
Henry E. Cross was the founder of AR and worked on a number of technological developments as general manager.
The most famous technology he developed is the air suspension system. He also participated in the establishment of KLH.
ADVENT and Smaller Advent, which were announced after three years of research, became bestsellers in four years, and won the top share of speakers with two models in the United States.