Sennheiser is a German pro audio company.

The company is famous for its headphones, and also for its (expensive and high signal-to-noise ratio) microphones. Sennheiser headphones are mostly open-air headphones, though they also make the HD2xx and PX2xx series which are closed.

Sennheiser's international headquarters are located in Wedemark , Germany (near Hannover). Their United States headquarters are located in Old Lyme, Connecticut. The company's production facilities are found in Germany, Ireland and the USA.

It was founded in 1945 by Professor Dr. Fritz Sennheiser (b. 1912). In 1982 he handed the management over to his son, Jörg Sennheiser . Jörg Sennheiser is honorary professor (since 1991) and has held lectures about electro acoustics at the University of Hanover since 1981.

External links

• Official site (German, English, French and Spanish)
• Official USA site (English)