To use this Whirlwind microphone splitter, first make sure your audio source is turned off. Connect your microphone to the input of the splitter. Then, connect your audio devices to the output channels. You can use up to 8 channels in a 2 - way setup. When using, be aware that since it's phantom - ready, ensure your audio devices can handle the phantom power if you're using it. For maintenance, keep it in a dry and clean place. Avoid exposing it to extreme temperatures or moisture. Regularly check the connections to make sure they're secure. If there are any issues, disconnect the power and check for loose wires or damaged components.