Sennheiser HD 650 Stock Cable - HD600 / 660 S / 6XX / 58X - 2.5mm TRRS – Corpse Cable
4.4mm 3.5mm 2.5mm Balanced Audio Cable For Sennheiser Hd 595 558 518 598 Cs Se Sr Hd 599 569 579 Hd 2.30i 2.20s 2.30g Headphones - Earphone Accessories - AliExpress