Bluetooth Sennheiser HD25-1 II – my search for decent Bluetooth headphones | Headphone Reviews and Discussion - Head-Fi.org
Sennheiser Replacement Cable for HD 25-1 Headphones (Steel)
POYATU Headphone Replacement Cable For Sennheiser HD25 HD25-1 Headphone Carry Case Pouch Earphone Cords Replacement Headband
Amazon.com: Black Earphone Cable Headphone Extra Cable for Sennheiser HD 25-sp HD 222 HD 224 HD 230 HD 250 HD 250 Linear II HD 414 HD 414 SL : Electronics
Sennheiser HD-25 Replacement Cable – Thomann United States
Sennheiser Replacement Cable for HD25-1 Headphones 523874 B&H