EK 2020-D II USArticle No. 504795 EK 2020-D-II-US 1 Spare Parts available Channel switch with rupper Choose Spare Part Spare Parts Channel switch with rupper020$ 3,66 Channel switch with rupper Complexity $ 3,66 excludes taxes – free shipping Article No. 523808 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.