Grado Labs 6.3mm to 3.5mm adapter.
The mini adaptor cable has a 1/8 inch (3.5mm) plug then 8 inches (20cm) of cable connected to a 1/4 inch (6.3mm) jack. The 8 inches (20cm) of cable eliminates added leverage on the output circuit board of the source.
The mini adaptor cable is constructed of the same high quality wire as their headphone cable. Grado guarantees no degradation of sonic quality with Grado headphones while using their mini adaptor cable.
Converts a 1/4 inch (6.3mm) plug to 1/8 inch (3.5mm) plug.