Hosa HPE-325 1/4" TRS to 1/4" TRS Headphone Extension Cable, 25 feet This cable is designed to extend the reach of hard-wired headphones with a stereo phone plug. It may also be used as a stereo extension cable Nickel-plated contacts for rugged durability and efficient signal transfer Oxygen-free Copper (OFC) Conductors for Enhanced signal clarity Ofc Spiral Shield for Effective EMI and RFI Rejection and Flexibility Connectors): 1/4 in TRS to 1/4 in TRS. Length: 25'