Using these Renkus Heinz ICX7 - II speakers is easy. First, use the included wall bracket to mount the speakers on a suitable wall. Make sure the surface can support the weight of the speakers. When using, place the speakers at a proper height and angle for the best sound projection. As for maintenance, keep the speakers clean by gently wiping them with a dry cloth. Avoid using harsh chemicals. Also, don't expose them to extreme temperatures or humidity. If you notice any issues, like strange sounds, check the connections first.