Neumann WS 100 90mm Windscreen (Black)Neumann's WS100 90mm Windscreen (Black) is an open cell polyurethane foam which attenuates close range sounds, wind, and fast movements of the microphone boom. The wind noise attenuation was measured without electrical filtering in a turbulent air stream traveling at 20 km h, generated by a noiseless wind machine. This windscreen is designed specifically for the KM 100 and Series 180 microphones. Designed to Fit The WS100 windscreen is specifically