MB3
Wall/Ceiling
Mounting Bracket
Installation Instructions
MB3 Wall/Ceiling Mounting Bracket Kit
The MB3 Wall/Ceiling Mounting Bracket Kit features robust brackets and hardware that allow for a Zx3 loudspeaker
to be quickly and easily mounted to a wall or ceiling in almost any position to obtain the desired sound coverage.
Figure 1: Suspending the Zx3 from a wall using the MB3
Figure 2: Suspending the Zx3 from a ceiling using the MB3
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Front Slot
(Top and Bottom)
M8 Cap Screw
Flush with Bottom
of Spanning
Front Slot
(Top and Bottom)
Bracket
(Top and Bottom)
4 Medium Holes for
Ceiling Mount/Wall Mount
(Vertical Orientation)
4 Small Holes for
Ceiling Mount/Wall Mount
(Horizontal Orientation)
Rear Slot
(Top and Bottom)
Item A
Figure 5: MB3 U-Bracket Features
Figure 6: Aligning the Zx3 Enclosure with the U-Bracket
Step 2: Mount the U-Bracket
Holes under
Use rear hole for
bracket shown
angles up to 30°
as dashed lines
Mount the U-bracket (Item A) to a wall or ceiling using
the appropriate holes (Figure 5). Use fasteners (not
included) that are suitable for the construction mate-
rial of the wall or ceiling. See dimension diagrams for
mounting hole patterns and dimensions.
Step 3: Mount the Zx3 to the U-Brackets
Slide the Zx3 into the U-bracket by aligning the M8 cap
screws with the front slots of the U-bracket (Figure 6).
The weight of the Zx3 will pull the top M8 cap screw
into the recess of the front slot of the U-bracket (wall
mount/vertical orientation only). Rotate the Zx3 to the
desired orientation (Figure 7), and install the two M8
washers (Item F), two M8 lock washers (Item G), and
two M8 cap screws (Item E), using the threaded hole
that aligns with the rear slot. Tighten the four M8 cap
screws (Figure 8).
Use either side holes for
angles between 30° and 90°
Figure 7: Rotating to desired angle
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Item E
Item G
Item F
Figure 9: MB3 Top View Dimensions
Figure 8: Tightening all screws after aligned to desired angle
Figure 10: MB3 Rear View Dimensions
(Bottom screws not shown)
WARNING: Suspending any object is potentially dangerous and should only be attempted by individuals who have a thorough
knowledge of the techniques and regulations of suspending objects overhead. Electro-Voice® strongly recommends that
all speakers be suspended taking into account all current national, federal, state and local regulations. It is the responsibil-
ity of the installer to ensure that all speakers are safely installed in accordance with all such regulations. When speakers are
suspended, Electro-Voice® strongly recommends that the system be inspected at least once a year. If any sign of weakness
or damage is detected, remedial action should be taken immediately. The user is responsible for making sure that the wall
or ceiling is capable of supporting the loudspeaker. Any hardware used to suspend a loudspeaker that is not associated with
Electro-Voice® is the responsibility of others.
U.S.A. and Canada only. For customer orders, contact Customer Service at:
Electro-Voice®
800/392-3497 Fax: 800/955-6831
Europe, Africa, and Middle East only. For customer orders, contact Customer Service at:
+ 49 9421-706 0 Fax: + 49 9421-706 265
12000 Portland Avenue South, Burnsville, MN 55337
Phone: 952/884-4051, Fax: 952/884-0043
Other Internatonal locations. For customer orders, Contact Customer Service at:
+ 1 952 884-4051 Fax: + 1 952 887-9212
For warranty repair or service information, contact the Service Repair department at:
800/685-2606
© Bosch Communications Systems
06/2008
For technical assistance, contact Technical Support at: 866/78AUDIO
Part Number LIT000162 Rev A
Specifications subject to change without notice.
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