Develops and manufactures professional microphones, headphones, wireless and conference systems for pro audio.
Sennheiser electronic SE & Co. KG
Wedemark (Wennebostel), Germany · Braşov, Romania · Berlin, Germany · Duisburg, Germany · Hamburg, Germany · Zurich, Switzerland · Puidoux, SwitzerlandNew on Amplifa
About Sennheiser
Sennheiser electronic SE & Co. KG is an independent family business in its third generation, founded in 1945 by Dr. Fritz Sennheiser as Laboratorium Wennebostel (Lab W). The portfolio includes wireless microphone and monitoring systems, wired microphones, conference and information technology, professional headphones, streaming technologies as well as 3D audio technologies and software. In addition to the Sennheiser brand, the group also includes Neumann as well as the technology brands AMBEO and Merging. Manufacturing takes place at the headquarters in Wedemark (Wennebostel) and in Braşov (Romania); a total of 366 employees work in production. The value chain is complemented by six development centers in Wennebostel, Berlin, Duisburg, Hamburg, Zurich and Puidoux. With 31 sales subsidiaries and 17 distributors, the company operates worldwide; in 2025 the group invested around 48 million euros in research and development and holds 228 patent families.
- Site
- Wedemark
- Processes
- Support & Repairs, Spare Parts & Service Partners, Factory Tours, Software & Tools, Sales via 31 sales subsidiaries and 17 distributors
- Materials
- Research & Development, Patents, Digital Wireless Transmission
- Founded
- 1945
- Employees
- 2171
- Industries
- Live Production & Touring, Studio Recording, Meeting & Conference, Filmmaking, Broadcast, Education
- 01
Research & Development
- 02
Production Wedemark
- 03
Production Braşov
- 04
Sales via 31 sales subsidiaries and 17 distributors
- 05
Support & Repairs
Development and Production Focus
Research & Development
In 2025, the group invested around €48 million in the development of new audio technologies.
Patents
228 patent families, of which 168 granted patents (as of 2025).
Digital Wireless Transmission
Digital 9000 transmits audio without data reduction for broadcast, theater and live applications.
Locations
Wedemark (Wennebostel)
DEHeadquarters, Production, R&D, Sales
- Innovation Campus (opened 2015)
Braşov
ROProduction
Berlin
DEDevelopment Center
Duisburg
DEDevelopment Center
Hamburg
DEDevelopment Center
Zurich
CHDevelopment Center
Puidoux
CHDevelopment Center (Merging Technologies)
Products
Inside the production
Industries
Additional services
Reference customers
History
- 1945
Foundation of Laboratorium Wennebostel (Lab W) by Dr. Fritz Sennheiser in a farmhouse near Hanover; production of measuring equipment for Siemens
- 1946
First microphone DM 1 for Siemens
- 1956
MD 82 – the world's first directional microphone (shotgun)
- 1968
HD 414 – the world's first open headphone, best-selling full-size headphone
- 1971
MD 441 microphone
Handover of management to Prof. Dr. Jörg Sennheiser
- 1988
Introduction of HD 25 headphones (Concorde, DJ scene)
Limited Edition Orpheus electrostatic headphone; successor HE 1 from 2015
- 1998
Evolution microphone series; 1999 Evolution Wireless
MKH 800 – first studio condenser microphone for digital audio formats; acquisition of Klein + Hummel
- 2009
HD 800 high-end reference headphone
- 2012
Digital 9000 wireless microphone system; first MOMENTUM headphone series
- 2013
Daniel and Dr. Andreas Sennheiser take over company leadership as Co-CEOs
- 2015
HE 1 as successor to the Orpheus; opening of the Innovation Campus in Wedemark
- 2018
TeamConnect Ceiling (conference microphone); Digital 6000; '20 Years of Evolution'
Launch of AMBEO Immersive Audio
- 2025
80th anniversary; Spectera – the world's first bidirectional wireless broadband ecosystem shipping; approx. €48 million in R&D investments; 14 new patents (228 patent families in total)