RDL DD-BN22 Bi-Directional 2X2 Mic/Line Dante InterfaceThe DD BN22 is a complete wall mounted Dante audio network interface. It features two XLR mic or line inputs and two XLR mic or line outputs on the front panels. Special software is not required to configure the DD BN22. Each XLR input provides three switches that may be set from the front of the unit when the cover plate is not installed. One switch enables or disables P48 phantom; the second switch selects the mic or line gain range; the third