This Meyer Sound MM-4XP loudspeaker is a compact and self - powered unit, but it doesn't come with a power supply. Ideal for various audio setups that require a small - sized speaker.

To use this Meyer Sound MM - 4XP loudspeaker, first, make sure you have a suitable power supply as it's not included. Connect the speaker to your audio source using the appropriate cables. Place it in a location where it can spread sound well. When using, avoid exposing it to extreme temperatures or moisture. For maintenance, keep it clean by gently wiping the exterior with a soft cloth. Check the connections regularly to ensure they're secure. If you notice any issues, consult a professional audio technician.