Sennheiser HD800 / Hd800s / HD820 / HD8XX Headphone Cable Mogami Made in U.S.A. - Etsy
Endorphin Balanced Hardwired High-End Headphone Cable for Sennheiser HD800/S
Sennheiser HD 800 S Over-the-Ear Audiophile Reference Headphones Ring Radiator Drivers, Open-Back Earcups, with Balanced Cable Black HD 800 S - Best Buy
Amazon.com: 4pin XLR Balanced OCC Silver Mixed Audio Cable Compatible Headphone Upgrade for sennheiser hd 800 s hd800 hd800s HD820s HD820 Dharma D1000 Earphone with Headphone Amplifier (1.2m(3.94ft), Black) : Electronics