To use this Whirlwind SPC82P 8 - Channel 2 - Way Mic Splitter, first make sure your microphones are connected properly to the input channels. Check if your audio devices support phantom power as this splitter is phantom - ready. When connecting, pay attention to the channel numbers to avoid mix - ups. For maintenance, keep it in a dry and clean place. Wipe it gently with a soft cloth if it gets dirty. Avoid exposing it to extreme temperatures or humidity. If you're not using it for a long time, unplug it from the power source to ensure its longevity.