Originally Posted by
countsk
My A20 is 4 years old and won't work without the adapter.
bose had a fix (not sure if they still offer it) or you just order the Airbus cord and then get a GA adapter. But I agree it’s hit or miss which aircraft it works with and which one it doesn’t. I’m just too cheap and end up using the ship set and cross my fingers hoping to avoid ear syphilis.