September 2015
I have satellite radio (Sirius) aux audio output connected to DLO TransPod aux input. The TransPod is normally used for iPod to FM radio in a car. I am using it in my house.
The audio is transmitted on a frequency to my FM radio (50 ft away) with no power to the TransPod! How is this possible?
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It appears the output of the Sirius unit is supplying “phantom power” to the TransPod. IOW, there is a small DC voltage (1-2 VDC) present on the output signal that the TransPod is using as its’ power source. In a way, it is “magic” as phantom power schemes are regularly used in audio PA systems to supply power to electret microphones without using external batteries.
