[. . . ] Otherwise, the speaker weight may cause the bracket to bend. Always follow the basic precautions listed below to avoid the possibility of physical injury to you or others, or damage to the device or other property. These precautions include, but are not limited to, the following: CAUTION · · · · Before doing any installation or construction work, consult with an installation expert. [. . . ] Make sure that the surface this bracket is being mounted on has the strength to handle the weight of both the speaker and this bracket. Use bolts and nuts as well as washers for installation and tighten them firmly so that the speaker is secure and does not move. Always loosen the corresponding screw before adjusting the angle or direction of the speaker. · Some fittings may deteriorate over extended periods of time due to wear and/or corrosion. For optimum safety, the installation should be checked thoroughly at regular intervals. Peel off the sheet from each rubber spacer, and then attach the spacers to the inside of each bracket arm by aligning the holes so that the hexagon bolts can be inserted. M5 x 10 Hexagon bolt Hexagon bolt UB-DXR10 / D85 Use the bolt hole on each side of the speaker. M5 x 10 Hexagon bolt M5 x 10 Hexagon bolt 2 3 Make sure that the width of the U bracket matches the speaker width. Affix the U bracket on the wall or ceiling using appropriate metal brackets and bolts. If you are not sure what to use to affix the U bracket, consult a specialist. 5 Adjust the speaker angle, then tighten the bolts until the speaker is securely affixed. 2 Horizontal Installation 1 Attach the bottom plate to the bottom of the speaker using the included M5x16 screws, as shown in the figure below. The bottom plate for DXR10 features a different shape than the one shown in the figure. 5 Use the included M8x25 hexagon bolts, spring washers, and flat washers to attach the speaker to the U bracket. UB-DXR15 / UB-DXR12 Use the bolt hole on the top of the speaker. Hexagon bolt Hexagon bolt Bottom plate for DXR10 UB-DXR10 / D85 M5 x 16 Use the bolt hole in the center of the handle on the top of the speaker. Hexagon bolt 2 Assemble two L-shaped brackets into a U-shape using the included M5x10 screws as shown in the figure below. Peel off the sheet from each rubber spacer, and then attach the spacers to the inside of each bracket arm by aligning the holes so that the hexagon bolts can be inserted. M5 x 10 Hexagon bolt M5 x 10 Top 6 3 4 Make sure that the width of the U bracket matches the speaker width. [. . . ] Peel off the sheet from each rubber spacer, and then attach the spacers to the inside of each bracket arm by aligning the holes so that the hexagon bolts can be inserted. M5 x 10 Hexagon bolt M5 x 10 Top 6 3 4 Make sure that the width of the U bracket matches the speaker width. Affix the U bracket on the wall or ceiling using appropriate metal brackets and bolts. [. . . ]