On Jun 10, 9:39*am, Dale Thompson wrote:
My very satisfactory, but expensive, Bose noise canceling headphones,
Model QC-2, have given up the ghost. *Now there seem to be many more
choices than when I bought the Bose headphones years ago.

What do you like, and not like, *about the non-passive hearing
protection you use in your noisy workshop? *

Suggestions will very much appreciated.

Dale

Send them to Bose for repair.