The wall brackets are just boxes side and the boxes have a slight inward curve.
This means that the the holders are pressed only at two points against the box ...
I do not send them back, but I guess most better suited wall mounts for the Z906 to search unless this tinkering can live one ... Now these are pretty cheap. For heavier boxes than 1.5 kg You do not come into question.
+ Wall mounting
+ Price
+ Screws fit into the pits !!! (You're just a little too long, I have reduced by approximately 7mm)
- The wall bracket holding the boxes just fine, but they weigh 890g.
Ie 1.5 kg determined goes, from then it is shaky, even though the holder promise to carry 3.5 kg !!!
- The holders conceal the cable connections !!!
This results in two options:
1 .: The wall bracket upside down to the pit screws -> bad idea xP
2 .: directly across the terminals of two drill holes (with my 1.5mm ^ 2 cables 4mm diameter), then pull and connect the cable and then pull the wall bracket on the cables along the box and screw ... Works quite passable. (See Image)