Sennheiser

Sennheiser is all ears. The company makes consumer and professional audio equipment including headphones, aviation and office headsets, microphones and microphone systems, as well as complete conference and information systems for use in museums, guided tours, and classrooms. Through the company's Sennheiser Communications division the company manufactures headsets for phone, PC, and mobile applications. Sennheiser Communications is a joint venture between Sennheiser and the Danish company William Demant Group. Sennheiser has factories in Germany, Ireland, and the US, and research and development offices in the US and Singapore. The company was founded in 1945 by Dr. Fritz Sennheiser to make tube voltmeters.