HD 350BT BLACKArticle No. 508384 HD 350BT BLACK 1 Spare Parts available HD 4.20/4.30/4.40 EARPADS 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 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.