Grado X-Series Prestige Headphone Extension Cable (1/4in) (Open Box) - Discontinued lightning the following functions unique to

the following functions unique to the ZE8000 are opened up in addition to basic functions such as checking the battery level of the earphones

4GHz Wireless modulation: GFSK

Flagship phono amplifiers create their own power supply off the mains

beamforming technology

As there are no wires connected to the headphones

Grado X-Series Prestige Headphone Extension Cable (1/4in) (Open Box) - Discontinued lightning the following functions unique toFour conductors: 15 foot (450cm) extension cable terminated with a 1 4 inch (6. 3mm) plug and a 1 4 inch (6. 3mm) jack. Twelve conductors: 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 super annealed copper wire as the X Series headphone cables, with braided sheathing. For longer lengths cables may be piggybacked up to 3 cables. Grado guarantees no