They appear to be the same as Radio Shack #33-1167, which sells for $22. I bought some when they were on sale for $11 and love them, in spite of the fact that I have trouble keeping them in my ears. Denny Payton N9JXY Auburn, IN >After seeing several posts about Koss The Plug earphones I broke down and >bought a pair. What a difference! Not only did the volume get turned down