The Tram TR-79 supplies power to lavalier microphones featuring a TA5-F connection and negative bias wiring (such as a TR-50). The power supply is capable of power via a 1.5v (LR44) battery or external phantom power source (remove battery when using external phantom power). The output features a standard XLR-male connection.
Note:For use with Tram TR-50 microphones with negative bias wiring configuration only. Not for use with positive bias microphones.