Amazon.com: Geekria QuickFit Audio Cable Compatible with Sennheiser HD 560 S, HD599, HD598, HD 598SE, HD 598CS, HD 598SR, HD579, HD569, HD400 PRO Cable, 2.5mm Jack AUX Replacement Stereo Cord (6 ft /
Sennheiser CH800 Balanced Cable for HD800S/HD820 | Bloom Audio
Corpse Cable for Sennheiser HD 600 / 6XX / 650 / 660 S - 4.4mm TRRRS P