Bose has introduced the A20 Aviation Headset — its best-performing, most advanced aviation headset ever. The new Bose A20 Aviation Headset is the result of more than 30 years of ongoing Bose research in noise reduction technology. It has been engineered to deliver significantly greater noise reduction — even in louder environments — and offers improved comfort, clear audio reproduction, and new features, including a Bluetooth communications interface, auxiliary audio input, …