<p>An assistive listening device that comprises a receiver for an FM or digital signal that is tuned to receive a particular FM or digital signal, a signal converter that converts the received signal to a digitized format if needed, and a connector that includes a permanently mounted 3.5mm male 4-conductor headphone audio jack interface and that serves as a conduit for the signal to a recoding or retransmittal device and as a conduit for harvesting power for the mobile assistive listening device.</p>
