Shure A3WS - Foam Windscreen for SM94, 849, BG4.1, PG81-XLR, SM137 or KSM109/SL Shure microphone accessory model A3WS The Shure A3WS Windscreen is designed with acoustically transparent foam to reduce unwanted breath and wind noise without affecting the sound quality It is particularly effective in reducing pops and ticks caused by talking or singing closely into the microphone as well as reducing wind noise when using the microphones in outdoor applications For use with the Shure KSM109/SL, SM94, and PG81 microphones Available in black