Bose A20 is for all types of aircraft
The Bose A20 Aviation Headset is available in dual-plug, 6-pin plug and U174 plug models and a variety of configurations designed for use in all types of general aviation aircraft, including helicopters.
Bose ProFlight Aviation Headset
Bose designed the ProFlight Aviation Headset with commercial aviators, airline pilots and lower-noise corporate flight deck environments in mind. The ProFlight 2 includes all the technology, noise cancellation and clarity pilots appreciated in the original ProFlight, and it remains our smallest, lightest and most comfortable aviation headset.