RDL D-TPS1A XLR Microphone Input with Phantom Wall PlateThe D SERIES TPS1A modules are single pair audio sending modules compatible with RDL Format A twisted pair products. These modules are designed to be mounted in wall boxes, cabinets or other enclosures that allow users to connect audio sources. The TPS1A models mount in RDL WB 1U and WB 2U wall boxes, or in standard U. S. electrical boxes. The D TPS1A features a white front panel laminate with gray lettering that matches RDL Decora style remote