Using this WorxAudio X115i - P subwoofer is easy. First, connect it to the correct power supply that comes with it. Place it in a suitable location in your audio setup to get the best bass effect. When using, make sure the power is stable to avoid any sound - quality issues. For maintenance, keep it in a dry and clean place. Regularly check the power cord for any damage. If there are any problems, stop using it immediately and contact customer service.