Wedemark, June 2, 2025

Sennheiser, a family-owned leader in audio technology since 1945, marks its 80th anniversary by highlighting its legacy of innovation and forward-looking development. Founded by Dr. Fritz Sennheiser in Wedemark, Germany, the company remains committed to delivering pure, high-quality sound experiences through continuous technological advancement.

Key milestones include:

• 1957: Development of the first professional wireless microphone system with a German broadcasting partner.

• 2024: Launch of Spectera, the world’s first bidirectional, digital, wireless broadband ecosystem.

Throughout its history, Sennheiser has introduced iconic products such as:

• MD 421 (1960) – studio microphone still in use today.

• HD 414 (1968) – first open-back headphones.

• HD 25 (1988) – industry standard for monitoring.

• HD 800 (2009) – reference in audiophile listening.

• HE 1 (2015) – modern evolution of the legendary Orpheus.

Innovation is driven by a culture that embraces bold ideas and creative experimentation. Over 8% of annual revenue is invested in R&D, with a focus on integrating hardware and software solutions.

According to Co-CEOs Daniel and Andreas Sennheiser, the anniversary is less about tradition and more about learning from the past to shape the future. Select anniversary offers and products will be available worldwide to mark the occasion.