USB Type C to 2.5mm OFC Replacement Cable Extension Cord for Sennheiser HD598 HD558 HD518 HD598Cs HD599 HD569 HD579 Headphones - AliExpress
Amazon.com: weishan HD598 Coiled Audio Cable Replacement for Sennheiser HD599, ATH-M50X, ATH-M70X, in-line Mic Control Headphone Cord Works on PS5 Xbox One 8ft : Electronics
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6.35mm OFC Nylon Braided Replacement Cable Extension Cord For Sennheiser HD 598 CS SR 558 518 599 569 579 Headphones - AliExpress
Amazon.com: Geekria Audio Cable Compatible with Sennheiser HD 599 SE, HD 599, HD 598, HD 598 SE, HD598 CS, HD 598 SR, HD 560 S, HD 400 PRO, HD 579, HD 559
Geekria Apollo Copper Silver Mixed Upgrade Audio Cable Compatible with