... .5Size(W×D×Hmm):505×270×295The ceiling/wall hung installation the matters needing attentionThis kind of speaker ... through some accessories on the ceiling or wall.1. If the wall hung installation, we provide four stents, ... by the system drop accident. If the ceiling/the wall is not conventional materials, please refer to the ... as: alcohol, paint thinner, gasoline or benzene, etc. wall mount audio system