price,lifetime warranty,SOUND!

none for the money

I have been using these remarkable headphones in one version or another for many years(sportapro,pro jr.,pro1)and always amazed at their incredible sound. Crisp and clear highs w/ strong bass w/o distortion at any level.For years ROLLINGSTONE ranked them the best you could get fot under a $100. I agree. Replacing your current set w/ these is like investing in a new player. You will not recognize your old tunes. Stunning sound for something so small. Now that i have the finances i have been thinking of using my pro jr & sportapros for running and working out and treating myself to a new set of Sennheiser HD580s. Somehow i just cant imagine anything beating these little puppies for rock. I have sent a pair back to koss after a few years of running where the wires wore lose from the constant swinging and koss replaced them w/ no ?s asked. For 30 bucks you get great sound for the rest of your life!!!! God Bless America!

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pioneer,sony,optimus