Que Audio QA22 BE Dual Ear Headworn Microphone | Model: QA22 BE/BUNDLEThe QA22 features total flexibility in its headband and boom arm adjustment for accommodating a wide variety of head sizes and jaw lines. The QA22 was developed for users who enjoy the extra stability and comfort that a dual ear microphone system offers, and delivers superior audio quality and high end performance from the same European designed 2. 5mm capsule used in our DA12 and DA04 microphones. The QA22 features total flexibility in headband and