TOA Canada Corporation
www.toacanada.com
INSTALLATION MANUAL
SURFACE MOUNT BACKBOX
BX-41S
1. DESCRIPTION
The BX-41S is a Surface Mount Backbox for the MW-41BT Audio Interface. It is designed to mount
directly to a wall in indoor or in mild wet environments when sealed correctly. It uses a key lock
mechanism for opening and securing the door.
2. INSTALLATION
Sealing Gasket
MW-41BT
(Not Included)
Note: When mounting directly to
a wall, please make sure to tightly
seal all edges to avoid water
entry
.
(4) Flat Head Screw
Stainless Steel, Phillips Drive
#6-32 x ½”
Surface Mount Backbox
Sealing Plugs (4)
Key Lock, 90-deg Turn
•
Key removable in open and closed
positions.
•
Press door firmly into Back Box and
engage lock to ensure a tight seal
•
2 keys included (not shown)
Cable / Conduit Entry
Holes (4 x Ø1.0”)
Door
2.47”
(62.7mm)
2.47”
(62.7mm)
4x Ø0.19” (Ø4.8mm)
Use customer-supplied
#8 or M4 fasteners
Mounting Hole Pattern
(Mounting hardware not included)
Sealing Gasket (not
shown; inside door
around perimeter)
