Soundman PPA Phantom Power Adapter, Phantom adaptersThe PPA (Phantom Power Adapter) is suitable for connecting the OKM microphone to a 48 V phantom power supply. (E.g., studio mixers or pre-amps). The device provides the optimum voltage for the OKMs, and provides a ""transform isolated"" and balanced mic-level input.@+@+The improvement of the audio signal is significant compared to the A3 (