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
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Amazon.com: Sennheiser HD 598 SR Open-Back Headphone "Discontinued by manufacturer" : Electronics
Amazon.com: GEEKRIA Boom Mic Headphones Cable Compatible with Sennheiser HD 599SE 598 560S, 2.5mm Jack Nylon Braided Replacement Cord with Boom Microphone and Volume/Mute Control for Gaming & Meeting (6 ft) :
Best Buy: Sennheiser Over-the-Ear Headphones Brown HD598