The company was founded by Frits Sennheiser in Wenneborstel under the name Labor Wenneborstel Labor . The company changed his name in 1958 to Sennheiser.
Labor W (Sennheiser) MD-21
Dutch amateur radio station Zwolle The Netherlands
The company was founded by Frits Sennheiser in Wenneborstel under the name Labor Wenneborstel Labor . The company changed his name in 1958 to Sennheiser.
PD5L 