Sennheiser Ear Pads in London Founded in 1945: Sennheiser was established in Germany by Fritz Sennheiser, originally as a measurement equipment manufacturer. First Headphones (1958): The introduction of the HD 414, the first open-back headphones, marked Sennheiser’s entry into the consumer audio market. They became immensely popular for their lightweight design and sound quality. Innovation in Ear Pads: Sennheiser pioneered … Read More