Corpse Cable for Sennheiser HD 800, HD 800S, HD 820 / 4-Pin XLR / 10ft
Blue Dragon Premium Cable for Sennheiser HD800s, HD820
Sennheiser Original HD 800 Headphones Replacement Cable (532758)
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
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Amazon.com: NewFantasia Silver Plated Replacement Audio Upgrade Cable Compatible with Sennheiser HD800S, HD820, HD800 Headphones with 3.5mm 1/8" Male and 6.3mm 1/4" Adapter 6.7ft : Electronics
Upgrade Replace Cable For SENNHEISER HD800 800s 820 with DUAL MALE XLR BALANCED | eBay
DIY Audio Electronics from Zynsonix.com: Sennheiser HD800 Trebuchet Headphone Cable