Genuine Turtle Beach Ear Force XO FOUR Microphone Boom Go to amazon.com Related posts How to buy the best mic parts? FeatureMicrophone boom for the Ear Force XO FOUR Stealth, XO FOUR, and Heroes of the Storm headsets.Genuine Turtle Beach replacement part! DescriptionMicrophone boom for the Ear Force XO FOUR Stealth, XO FOUR, and Heroes of the Storm headsets. Genuine Turtle Beach replacement part!