Using the Meyer Sound MM-4XP loudspeaker is easy. First, connect it to your audio source. Since it doesn't have a power supply, you'll need to use an appropriate external one. When placing it, make sure it's in a stable position and not blocked. As for maintenance, keep it clean by gently wiping with a dry cloth. Avoid exposing it to extreme temperatures or moisture. If you notice any issues, check the connections first. Enjoy your high - quality sound experience with this speaker!