The RU-MLA2 from RDL is a two channel microphone/line preamp and a four channel audio distribution amplifier. The input and all four outputs may be connected either through the front-panel XLR jacks, or on the rear panel detachable terminal blocks, with both the front-panel XLR connectors, and the rear-panel terminals, active at all times.
The unit will accept either a balanced microphone or line level signal, while each of the four outputs provide either a microphone or line level signal. The audio input is equipped with a rear-panel switch to select between microphone and line level with two additional switches allowing for setting the microphone input for low or high gain and for switching the 24VDC phantom power.
Gain trim is provided on a knurled front-panel control with a screwdriver slot, that allows for setting the gain by hand or with a screwdriver. Each output is provided with a separate rear-panel switch to set its level to either microphone or line and each output is isolated from the other and may be wired balanced or unbalanced.