SL BOUNDARY 114-S DW-7 BArticle No. 506965 SL BOUNDARY 114-S DW-7 B 1 Spare Parts available BA 40 Choose Spare Part Spare Parts BA 40 BA 40 RECHARGEABLE BATTERY Complexity Article No. 506656 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.