BRDM Driver Posted June 26, 2017 Share Posted June 26, 2017 I have a two ANR headsets. One type (top pic) the type with a step in the outside (not sure who makes them) and a Racal pair (lower pic) which are more like a half grapefruit. I noticed that if you cover the ambient sound mic's on the Racals, you get a feedback whistle, where as the other set you don't. Are both actually working or not? Is there an easy test? Quote Link to comment Share on other sites More sharing options...
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