This Meyer Sound MM-4XP loudspeaker is a great choice but it doesn't come with a power supply. Ideal for those who already have a compatible power source, it offers a compact and self - powered solution for audio needs.

Using this Meyer Sound MM - 4XP loudspeaker is easy. First, connect it to your audio source like a phone or a music player. Since it doesn't have a power supply, make sure you have a suitable one to plug it in. When using, place it in an open area for better sound dispersion. As for maintenance, keep it clean by using a soft, dry cloth to wipe it regularly. Avoid exposing it to extreme temperatures or humidity. If you encounter any issues, check the connections first and then contact the customer service if needed.