The wire on my old personal set of PortaPros began to fray after several years of daily use. The plug is a typical area of strain for headphones.

Photo by: Justin Yu

The wire on my old personal set of PortaPros began to fray after several years of daily use. The plug is a typical area of strain for headphones.

Photo by: Justin Yu

Two weeks after shipping them out to Koss with a $6 check and all relevant information enclosed, I received a new pair!

Photo by: Justin Yu

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