RDL RU-MLA2T Dual Mic / Line PreamplifierThe is a dual channel audio preamplifier. The inputs and outputs may be connected through the front panel XLR jacks or on the rear panel detachable terminal blocks. Each input accepts either a balanced microphone or line level signal. Each output provides either a microphone or line level signal. Both the front panel XLR connectors and the rear panel terminals are active at all times. The may be rack mounted with the XLR jacks facing forward, or may