L 29-50-2Article No. 004310 1 Spare Parts available power supply unit Choose Spare Part Spare Parts power supply unit power supply unit 230V/12VDC EU Complexity Article No. 050754 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.