Grado Prestige Headphone Extension Cable 15ft

15 foot (450cm) extension cable terminated with a 3.5mm plug and a 3.5mm jack. This cable is constructed from the same high quality wire as their headphone cable. For longer lengths the cable may be piggybacked up to 3 cables. Grado guarantees no degradation of sonic quality with Grado headphones while using their extension cable.