Noel Lee (executive) Today" article, Lee and his company were developing furniture with high-end electronics built-in, wireless products to replace audio cords and a user interface to consolidate the consumer's control of their electronics. Lee and his son worked with Dr. Dre to collaborate on the Beats brand of headphones, which was later acquired by Apple for $3 billion in 2014. According to Business Insider, Beats Electronics denies that Monster had a role in the design of the headphones. Lee said Beats had no engineers on staff and it spent millions in research and development to get the product started, but that their
Headphones used for early radio work. In early powered radios, the headphone was part of the vacuum tube's plate circuit and carried dangerous voltages. It was normally connected directly to the positive high voltage battery terminal, and the other battery terminal was securely grounded. The use of bare electrical connections meant that users could be shocked if they touched the bare headphone connections while adjusting an uncomfortable headset. In 1958, John C. Koss, an audiophile and jazz musician from Milwaukee, produced the first stereo headphones. Previously, headphones were used only by the US navy, telephone and radio operators, and individuals in