The product line of JBL grew from very humble beginnings as evidenced by the above handwritten note from James B. Lansing to John Edwards. Lansing Sound was founded three years previous, with one product - the D101. When this note was written, they had just developed the 15" D130, and its 12" counterpart - the D131. As the note attests, production was small, given the concern over lots of 50 magnets

From this limited start, the product line eventually grew to include some of the most influential loudspeakers ever developed. This section attempts to trace that evolution by profiling JBL's pivotal products. Click on one of the product labels above to read the details of that product's development and market impact.