Power Adapter for MTP40/40S with XLR 3 M power connector with self reset fuse.Power input: 9-18V DC feeding (internal switching regulation and transformer isolation).ADT40: without connector (pigtail)ADT40X: with XLR-4pin power connectorADT40H: with Hirose-4pin power connectorNOTE: MTP30/MTP40/40S must have ADT option to pass thru cable.