I had asked that question on line here a while ago.
Some one recorded a CW QSO. I took that WAV file and put it on a flash drive.
I have listened to that recorded QSO with the head phone I had. I went over to
the the Apple store with a 20 foot head phone extension cord, Plugged in my
flash drive into one of their display computers next to the head phone demo
display and listen to that same QSO on my flash drive and I plugged in one head
set after another. At that time the Bose QC-2 stood out and in fact it had
enhanced the CW town just a bit more so I could hear the last letter that was
sent.
You see, the QSO had a lot of static on it and the signal was almost faded out
towards last. Simply amazing little test.
Stay on course, fight a good fight, and keep the faith. Jim K9TF/WA9YSD
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