The Onkyo DP-L 2 X headphones are a product manufactured by Onkyo from 1985 to 1988 in Japan. Characterized by its sleek design available in silver and black, the DP-L 2 X was part of a broader product range which included various audio components like amplifiers, tuners, and CD players. The original price for the headphones was approximately 100 DM. These headphones offer listeners a dedicated audio experience of the time, integrating quality construction with the brand's focus on sound performance.