Using this Behringer audio mixer is easy. First, connect the power supply to get it up and running. Then, plug in your audio sources to the appropriate input channels. You can adjust the volume and other settings for each channel as you like. The USB connectivity allows you to connect it to your computer easily for recording or other functions. When using the built - in effects, just select the one you want on the control panel. As for maintenance, keep it in a dry and clean place. Don't expose it to extreme temperatures or humidity. Also, make sure to turn it off when not in use to save energy and prolong its lifespan. Avoid dropping or hitting it to prevent internal damage.