The installation went quick of hand and from anyone who can handle a drill to accomplish.
What to consider: mounting material (plugs, screws) are not included and must still be specially concerned. But that makes sense because manufacturers do not know to what kind of wall (and are thus required which plugs / bolts) you want to attach the parts.
The processing makes a robust impression, and you do not feel that because something might happen. The speakers But you should necessarily secure means of a rope against falling down (the writing including the legislator).
Conclusion: Cheap and good alternative for wall mounting of small to medium loudspeaker boxes.