Sennheiser electronic GmbH & Co. KG is a German audio company specialized in production of professional, high-fidelity products such as microphones, headphones and telephone accessories.
On 7 May 2021 it was announced that Swedish hearing-aids company Sonova would buy Sennheiser's consumer division so the later could focus on its professional line of products, however as of February 2022, the deal, which includes transfer of over 600 employees, has yet to be finalized. It is expected that Sonova's consumer audio products will still be advertised with the Sennheiser brand.