Grado 12' 12 conductor headphone extension cable
Twelve conductor: 12 foot extension cable terminated with a 1/4 inch (6.3mm) plug and a 1/4 inch (6.3mm) jack.
The cables are constructed from the same high quality wire as the headphone cables. For longer lengths cables may be piggybacked up to 3 cables. Grado guarantees no degradation of sonic quality with Grado headphones while using their extension cable.