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 /
Amazon.com: Replacement Cable for SENNHEISER Headphones HD650 HD600 HD580 HD535 HD545 HD565 HD265 with 1/4" 6.3mm plug : Electronics