Schoeps W 5D Solid Foam Windscreen for Directional Colette MicrophonesThe foam encloses an air chamber around the capsule, similar to a basket windscreen. It is highly effective, yet it has only a slight influence on the sound. When using CCM _L compact microphone, please be careful to place the W 5 D all the way onto it. The W 5 D cannot be used with the KC Active Cable, CCM _U compact microphones and microphone capsules for lateral pickup (MK 6, MK 4V, MK 41V, MK 4VXS, or MK 8), or the corresponding CCM compact