Sennheiser electronic GmbH & Co. KG (/ˈzɛnhaɪzər/, German pronunciation: [zɛnˈhaɪ̯zɐ]) is a German privately held audio company specializing in the design and production of a wide range of high fidelity products, including microphones, headphones, telephone accessories and aviation headsets for personal, professional and business applications. The company's head office is located in Wedemark, near Hanover, and the company is represented in more than 50 countries worldwide.
The German company was founded in 1945 by Prof. Dr. Fritz Sennheiser and it is still an independent family business. Since 2013, Daniel Sennheiser and Dr. Andreas Sennheiser have been Co-CEOs. They are the third generation of the Sennheiser family to lead the company. According to its own figures, the Sennheiser Group has around 2,801 employees worldwide. In 2019, the total turnover amounted to 756.7 million euros