The DPA DUA6002 is a Miniature High Boost Grid for DPA 4060 Series Lavalier and 4066/4266 Headset Lavalier Miniature and Headset Microphones in a 5 piece pack. When fitted the grids introduces a 10 dB boost around 12 kHz for applications where the Miniature Microphones need to be placed on the chest of the performer. The metal grid is anodized stainless steel.