Sennheiser is a company that was established in 1945 in Wedemark, Germany. It is the acknowledged world leader in microphone technology, RF-wireless and infrared sound transmission, headphone transducer technology, and in the development of active noise-cancellation. Sennheiser Electronic Corporation is the U.S. wholly-owned subsidiary, which represents all Sennheiser products in the United States. It distributes a variety of other pro audio lines, including Neumann, HHB, and K+H. Their commitment to the world of audio is simple: they offer products that provide the finest combination of performance and value available anywhere, and back them up with superlative services. You can browse the site by its many categories located at the top of the homepage. These categories are: Home, Products, Shop, News, Service, InfoPort, Events, and About Sennheiser. You will also find some product categories at the homepage such as: Headphones Headsets, Wired Microphones, Wireless Microphone Systems, Information and Conference Systems, Assistive Listening, and Aviation.