L-Acoustics X12 Owner's Manual page 17

X-US1215 and X-UL12 can be used for wall-mounting, ceiling-mounting or ying X12 system.
Short U-bracket in horizontal position
In this position, the enclosure applies a diagonal force of 405 daN on the anchoring points.
Fasteners for wall-mounting or ceiling-mounting
Secure the bracket with three M10 screws.
Select screw length and anchors applicable to the wall or ceiling properties.
X12 owner's manual (EN) version 1.0
Rigging system description
17