Using this Midas DL231 microphone splitter is easy. First, connect the power supply to make sure it's getting the right power. Then, plug in your microphones to the input ports. You can then connect multiple devices to the output ports to split the microphone signal. When using it, keep it in a dry and cool place. Avoid exposing it to water or extreme temperatures. For maintenance, regularly check the connections to make sure they are secure. If you notice any issues with the performance, check the power supply first. That should keep your splitter working well for a long time.