Mini adaptor cable that converts a 6.3mm plug to 3.5mm plug. The mini adaptor cable has a 3.5mm plug then 20cm of cable connected to a 6.3mm jack. The 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.