I forgot to say that he had them for years.....I did contact Koss and they no longer make them.   The reason they worked for my father is because they have SEPARATE volume controls on each ear,,,which is awesome for him since his left ear is bad... pleaee let me know if you are getting rid of...

oh my gosh.....my father HAD those and I tried to find them again - with no luck.....are you trying to get rid of them??