Grado X-Series Prestige Headphone Extension Cable (1/4in) - Discontinued closed-back Resonance dispersion has been factored

Resonance dispersion has been factored into the design

Fits Beyerdynamic Custom One Pro

4000 GHz - 2

The polyurethane leather ear pads and headband cushion are resistant to deterioration thanks to the use of nano coating

Shure Sound Isolating Earphones require a proper fit to achieve the best sound

Grado X-Series Prestige Headphone Extension Cable (1/4in) - Discontinued closed-back Resonance dispersion has been factoredFour 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