Niles Audio CM4PR User Manual
ceiling mount
CM4PR INSTALLATION GUIDE
DeSigneR AeStHeticS
AuDiopHile peRfoRmAnce
CONGRATULATIONS!
INTROdUCTION
Thank you for choosing the Niles CM Series Loudspeakers. With proper
installation, use, and care, your loudspeakers will deliver years of listening
enjoyment. For information on the complete line of advanced Niles products,
please visit us at: www.nilesaudio.com
TABLE OF CONTENTS
Introduction 3
Features and Benefits 3
Parts Guide 4
Installation Considerations 4
Installing the Loudspeaker 6
Painting the Grilles 8
Installing the Grilles 8
Loudspeaker Applications 8
Specifications 10
The designer aesthetics, superior sonic performance, and ease of installation of
CM loudspeakers put them in a class above competitive products. The CM4PR
loudspeaker features our advanced Rear Wave Control enclosure that is uniquely
designed for retrot installations and optimized for high quality, predictable sound
performance and reduced sound bleed into adjacent rooms. The low prole,
magnetically attached grilles blend into any room’s decor.
FEATURES ANd BENEFITS
dESIGNER AESThETICS
Magnetically attached MicroThin™ round speaker grilles ensure a clean,
unobtrusive designer appearance that blends with the room’s aesthetics. Optional
square grilles provide added design exibility.
GREAT SOUNd - whERE yOU wANT IT
The CM4PR Rear Wave Control enclosure is uniquely designed to t through
the loudspeaker’s ceiling opening—ideal for retrot installations. The enclosure
is shaped and sized for high quality, predictable sound performance while
signicantly reducing unwanted sound from bleeding into adjacent rooms and
spaces.
INSTALLATION EASE
Three easy to use, spring tensioned mounting clips permit quick installation
and compensate for uneven mounting surfaces. Weather-resistant construction
enables installation in moist areas such as in bathrooms or outdoors under eaves.
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INSTALL wITh CONFIdENCE
The best-built loudspeakers deserve the best protection—the Niles Lifetime
Limited Warranty.
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PARTS GUIdE
INSTALLATION CONSIdERATIONS continueD
PACKAGE CONTENTS – CM4PR
(1) CM4PR loudspeaker with Rear Wave Control enclosure, (1) Magnetically
attached round grill, (1) Hole template with painting standoffs, (1) Owner’s manual,
(1) Warranty card
INSTALLATION CONSIdERATIONS
Recommended tools for installation:
• Cordless screwdriver • Measuring tape • Painters tape
• One inch #2 Phillips tip • Stud fi nder • Drop cloth
• 1/8” Drill bit • Spackle • Rubber gloves
• Drywall saw • Wire stripper • Optional - a 24” x 24”
• Laser plumb bob • Cable ties
piece of R19 insulation
• 12” -14” Coat hanger wire • Pencil
CM4PR
These require a 4-5/8”
(11.75 cm) diameter hole
opening with a minimum
3-5/16” (8.4 cm)
Depth Behind
Drywall
of 3-5/16” (8.42 cm) depth
when measured from the
interior face of the drywall,
plus at least 5” (11.75 cm)
5” (12.7 cm)
Clearance
CM4PR 4-5/8” (11.75 cm)
Diameter Hole Opening
clearance to one side of
the loudspeaker opening
for the Rear Wave Control
enclosure. To the sides of
the hole you will need 1”
for the mounting tabs to
clamp the speaker to the
drywall.
NOTE: BE VERY CAREFUL WHEN LOCATING THE SPEAKERS. VERIFY ALL LOCATIONS ARE
CLEAR OF OBSTRUCTIONS BEFORE CUTTING THE FIRST HOLE.
Each speaker requires two-conductor wiring of sufficient gauge. The gauge depends
on the length of the wire. For recommendations, please refer to (Figure 2).
Length of wire from speaker to amplifier Wire Gauge
Less than 80 feet
16
80 to 200 feet 14
More than 200 feet 12
Figure 2. Speaker Wire Gauge Guide
When running loudspeaker wire inside walls or ceilings, use special jacketed
cable (CL-2 or CL-3 rating) to protect the wire and for re prevention. In some
municipalities, conduit is required. For a trouble-free installation, low voltage wire
such as loudspeaker wire must be in accordance with the National Electrical
Code and any applicable provisions of the local building code. If you are unsure of
the correct installation techniques, wire jacket, or type of conduit to use, consult
a professional audio/video installer, building contractor, or the local building and
inspection department.
Figure 1. CM4PR loudspeaker installation dimensions
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