Amazon.com: CARDAS AUDIO CLEAR Audiophile Upgrade Balanced Headphone Cable for SENNHEISER HD800, HD 800 S, HD820 with GOLD Male 3-Pin XLR Plugs, 9ft (2.75m) cord : Musical Instruments
Amazon.com: Sennheiser HD 800 S Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers With Open-Back Earcups, Includes Balanced Cable, 2-Year Warranty (Black) : Electronics
Corpse Cable GraveDigger for Sennheiser HD800 / 800S / 820 - 1/4" Plug
Endorphin Single-Ended Hardwired High-End Headphone Cable for Sennheiser HD800/S