HD 400SArticle No. 508598 HD 400S 2 Spare Parts available HD 4.20/4.30/4.40 EARPADSRCS 400 Choose Spare Part Spare Parts HD 4.20/4.30/4.40 EARPADS HD 4.20/4.30/4.40 EARPADS EARPADS Complexity Article No. 507203 Choose Spare Part RCS 400$ 21.75 RCS 400 HD 400S CORD ASSY BLACK Complexity $ 21.75 plus applicable sales tax – free shipping Article No. 508599 Choose Spare Part Attention! Due to the complexity of the repair, some of the spare parts shown can only be replaced by specialist workshops. In this case, please contact your nearest Sennheiser Service Center.