Bose Professional DesignMax DM3C User manual

DesignMax DM3C
In-ceiling Loudspeaker
Installation Guide.......................2
Guía de instalación .....................9
Notice d’installation ................... 16
Installationsanleitung ..................23
Guida all'installazione..................30
Installatiehandleiding ..................37
Monteringsveiledning ..................44
Instrukcja montażu .....................51
安装指南 ..............................58
安裝指南 ..............................65
設置ガイド .............................72
79 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DesignMax DM3C •Installation Guide
PRO.BOSE.COM
2 • English
Important Safety Instructions
Please read and keep all safety and use instructions.
This product is intended for installation by professional installers only! This document is
intended to provide professional installers with basic installation and safety guidelines for this
product in typical fixed-installation systems. Please read this document and all safety warnings
before attempting installation.
Do not attempt to service this product yourself. Refer all servicing to authorized service centers,
installers, technicians, dealers or distributors. To contact Bose Professional or to find a dealer or
distributor near you, visit PRO.BOSE.COM.
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s
instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produces heat.
9. Only use attachments/accessories specified by the manufacturer.
Regulatory Information
This product conforms to all applicable EU directive requirements. The complete
declaration of conformity can be found at: www.Bose.com/compliance.
This symbol means the product must not be discarded as household waste, and
should be delivered to an appropriate collection facility for recycling. Proper
disposal and recycling helps protect natural resources, human health and the
environment. For more information on disposal and recycling of this product,
contact your local municipality, disposal service, or the shop where you bought this
product.
China Restriction of Hazardous Substances Table
Names and Contents of Toxic or Hazardous Substances or Elements
Toxic or Hazardous Substances and Elements
Part Name Lead
(Pb) Mercury (Hg) Cadmium (Cd) Hexavalent (CR(VI))
Polybrominated
Biphenyl
(PBB)
Polybrominated
diphenylether
(PBDE)
PCBs X O O O O O
Metal Parts X O O O O O
Plastic Parts O O O O O O
Speakers X O O O O O
Cables X O O O O O
This table is prepared in accordance with the provisions of SJ/T 11364.
O: Indicates that this toxic or hazardous substance contained in all of the homogeneous materials
for this part is below the limit requirement of GB/T 26572.
X: Indicates that this toxic or hazardous substance contained in at least one of the homogeneous
materials used for this part is above the limit requirement of GB/T 26572.
Taiwan Restriction of Hazardous Substances Table
Equipment name: DesignMax DM3C, Type designation: 829708
Restricted substances and its chemical symbols
Unit Lead
(Pb) Mercury (Hg) Cadmium (Cd)
Hexavalent
chromium
(Cr+6)
Polybrominated
biphenyls (PBB)
Polybrominated
diphenyl ethers
(PBDE)
PCBs -○ ○ ○ ○ ○
Metal Parts -○ ○ ○ ○ ○
Plastic Parts ○ ○ ○ ○ ○ ○
Speakers -○ ○ ○ ○ ○
Cables -○ ○ ○ ○ ○
Note 1: “○” indicates that the percentage content of the restricted substance does not exceed the percentage of reference
value of presence.
Note 2: The “−” indicates that the restricted substance corresponds to the exemption.
Date of Manufacture: The eighth digit in the serial number indicates the year of manufacture;
“7” is 2007 or 2017.
China Importer: Bose Electronics (Shanghai) Company Limited, Part C, Plant 9,
No. 353 North Riying Road, China (Shanghai) Pilot Free Trade Zone
EU Importer: Bose Products B.V., Gorslaan 60, 1441 RG Purmerend, The Netherlands
Mexico Importer: Bose de México, S. de R.L. de C.V. , Paseo de las Palmas 405-204, Lomas de
Chapultepec, 11000 México, D.F. For importer & service information: [phone]
Taiwan Importer: Bose Taiwan Branch, 9F-A1, No. 10, Section 3, Minsheng East Road, Taipei City
104, Taiwan. Phone Number: [phone]
Bose Corporation Headquarters: 1-877-230-5639
Bose and DesignMax are trademarks of Bose Corporation.
©2019 Bose Corporation. No part of this work may be reproduced, modified, distributed or
otherwise used without prior written permission.
Warranty Information
This product is covered by a limited warranty.
For warranty details, visit PRO.BOSE.COM.
Product Ratings:
Input Voltage: 70V/100V
Impedance: 8 Ω, 25 W
Current or Power: (70V): 3W, 6W, 12W, 25W; (100V): 6W, 12W, 25W
WARNINGS/CAUTIONS
This product contains magnetic material. Consult your physician on whether
this might aect your implantable medical device.
• All Bose products must be installed in accordance with local, state, federal and industry
regulations. It is the installer’s responsibility to ensure installation of the loudspeakers
and mounting system is performed in accordance with all applicable codes, including
local building codes and regulations. Consult the local authority having jurisdiction
before installing this product.
• Unsafe mounting or overhead suspension of any heavy load can result in serious
injury or death, and property damage. It is the installer’s responsibility to evaluate the
reliability of any mounting method used for their application. Only professional installers
with the knowledge of proper hardware and safe mounting techniques should attempt
to install any loudspeaker overhead.
• Do not mount the product in locations where it may be exposed to water or
condensation.
• This product is not intended for installation or use in indoor water facility areas
(including, without limitation, indoor pools, indoor water parks, hot tub rooms, saunas,
steam rooms and indoor skating rinks).
• Do not mount on surfaces that are not sturdy, or that have hazards concealed behind
them, such as electrical wiring or plumbing. If you are not sure about installing the
bracket, contact a qualified professional installer. Ensure the bracket is installed
according to local building codes.
• Use only the hardware and accessories included or specified by Bose for use with
DesignMax DM3C loudspeakers. For information on compatible accessories, see the
product's technical data sheet at PRO.BOSE.COM.
• Keep the product away from fire and heat sources. Do not place naked flame sources,
such as lighted candles, on or near the product.
• Do not make unauthorized alterations to this product.
• Do not expose loudspeaker or mounting components to any chemical substances
that are not specified by Bose, including but not limited to lubricants, cleaning agents,
contact sprays, or other hydrocarbon-based solvents. Exposure to such substances can
lead to degradation of the plastic material, resulting in cracking and creating a falling
hazard.
• Clean speakers using only a dry cloth. Do not expose loudspeaker to soap, detergent,
mineral oil, alcohol or other cleaning agents or chemicals.
• The grille is equipped with a safety lanyard pin designed for a single use.

English • 3Installation Guide •DesignMax DM3C
PRO.BOSE.COM Overview
Package Contents
Product Dimensions
×2 ×2 ×4×2 ×1
255 mm
10.0 in
203 mm
8.0 in
39 mm
1.5 in
144 mm
5.7 in
154 mm
6.0 in
Technical Specifications
For additional specifications, see the DesignMax DM3C
technical data sheet at PRO.BOSE.COM.
Physical
Product Dimensions Grille diameter: 255 mm
(10.0 in)
Enclosure diameter: 203 mm
(8.0 in)
Backcan depth: 144 mm
(5.7 in)
Hole cutout 208 mm (8.2 in)
Maximum Ceiling Thickness 39 mm (1.5 in)
Net Weight, Loudspeaker with
grille (single)
2.68 kg (5.9 lb)
Net Weight, Tile Bridge (single) 0.77 kg (1.7 lb)
Shipping Weight (pair) 8.70 kg (19.2 lb)
Important Installation Information
This product is intended for indoor use only.
It is the installer’s responsibility to ensure installation of the
loudspeakers and mounting system is performed in accordance with
all applicable codes, including local building codes and regulations.
Consult the local authority having jurisdiction before installing this
product.
It is the responsibility of the installer to ensure the safety of the
loudspeaker installation. Failure to properly install the loudspeaker
could result in damage, injury, or death.
Do not mount the product in locations where it may be exposed to
water or condensation.
This product is not intended for installation or use in indoor water
facility areas (including, without limitation, indoor pools, indoor water
parks, hot tub rooms, saunas, steam rooms and indoor skating rinks).
Do not block any ventilation openings. Install in accordance with the
manufacturer’s instructions.
Do not install near any heat sources such as radiators, heat registers,
stoves, or other apparatus (including amplifiers) that produces heat.
Do not mount on surfaces that are not sturdy, or that have hazards
concealed behind them, such as electrical wiring or plumbing. If you
are not sure about installing the bracket, contact a qualified
professional installer. Ensure the bracket is installed according to local
building codes.
Do not expose loudspeaker or mounting components to any chemical
substances that are not specified by Bose, including but not limited
to lubricants, cleaning agents, contact sprays, or other hydrocarbon-
based solvents. Exposure to such substances can lead to degradation
of the plastic material, resulting in cracking and creating a falling
hazard.

4 • English DesignMax DM3C •Installation Guide
PRO.BOSE.COM
Setup
Installation Options
Installation Options and Accessories
qAdjustable Tile Bridge (included)
wRough-in Pan (optional)
Conduit Fitting
If using a flexible metal conduit, use with a ⅜-inch conduit
fitting or a ⅜-inch dual (duplex) connector.
Note: Conduit fittings are not provided.
qw
⅜-inch single in ⅜-inch duplex in/loop
Choosing an Installation Method
qTop Knockout
Use the top knockout when there is available space above the ceiling.
wSide Knockout
Use the side knockout when there is limited space above the ceiling.
eBoth Knockouts
Use both knockouts when an independent signal-in and signal-out wiring scheme is required and there is available space
above the ceiling.
q w e

English • 5Installation Guide •DesignMax DM3C
PRO.BOSE.COM Setup
Wiring the Loudspeaker
Wire Gauge
The DesignMax DM3C loudspeaker is designed to work with 18 AWG (0.8 mm2) to 14 AWG (2.1 mm2) size wire only.
Loudspeaker Settings
70V
3W 6W 12W 25W* 8Ώ
6W 12W 25W NC*
100V
** NC: No Connection (do not use)* Factory default
Transformer Tap Setting
Set tap by turning. Use a flat head screwdriver.
Connection Diagrams
Expose six millimeters (¼ inch)
of bare wire to attach to the
terminals.
70V/100V 8Ω
OUT
IN
70/
100V COM8Ω8ΩCOM 70/ 100V
OUT
IN
70/
100V COM8Ω8ΩCOM 70/ 100V
Preparing the Installation
Using a Safety Cable
Some regional construction codes require the use of a secondary method of securing loudspeakers to support structures
to provide additional safety. Choose a mounting position, method, and hardware consistent with local building codes and
regulations.
Bose recommends using (1) a safety wire or (2) a safety cable as a secondary securing mechanism. See the diagrams
below for safety attachment points.
Follow the manufacturer’s instructions for any secondary securing mechanism implemented.
qw
q

6 • English DesignMax DM3C •Installation Guide
PRO.BOSE.COM
Setup
q ew
Assembling the Tile Bridge
Note: If you are installing in a hard ceiling, assemble the tile bridge after inserting the rails and ring through the hole
cutout (see page 7).
1. Align the rails and insert the tabs into the slots.
2. Pull the rails outward to secure them together.
3. Align the rails parallel to each other and press the tile bridge ring down to secure the ring to the rails.
Cutting the Ceiling Tile
1. Remove the tile and use the template to trace
a loudspeaker hole onto the tile. To center the
template on the tile, draw an X by connecting
the corners diagonally and center the template
using the crossing point.
2. Cut a hole into the tile.
q w
Preparing Acoustic Ceiling Tile
Installing the Tile Bridge
1. Place the assembled tile bridge across the
ceiling grid. If necessary, adjust the tile bridge
so the rails rest on the ceiling grid.
2. Replace the tile in the ceiling.
q w
Note: Installation in close proximity to cooking surfaces where the loudspeaker may be directly exposed to cooking oils,
such as in commercial cooking environments, may decrease the performance or functionality of the loudspeaker.

English • 7Installation Guide •DesignMax DM3C
PRO.BOSE.COM Installation
Preparing Hard Ceiling (Existing Construction)
Cutting the Ceiling
1. Use the template to trace a hole onto
the ceiling.
2. Cut a hole into the ceiling.
q w
Installing the Tile Bridge
1. Insert the tile bridge rails and ring
through the hole and place the rails
parallel to each other across the
ceiling grid or ceiling furring.
2. Assemble the tile bridge.
q w
Mounting the Loudspeaker
1. Pass the audio wire through the wire opening.
2. Insert the loudspeaker through the hole and into the tile bridge. Make sure the anchors engage on the tile bridge
before loosening your grip on the loudspeaker.
3. Remove the connector, wire the connector, and reinsert the connector into the loudspeaker. For wiring information, see
Wiring the Loudspeaker on page5.
4. Tighten the anchor arm screws to secure the loudspeaker. If using a power drill, set to a low torque setting.
WARNING:Over-tightening the screws may result in damage to the anchor attachment point or the ceiling,
which could lead to a falling hazard.
q
e
w
r

8 • English DesignMax DM3C •Installation Guide
PRO.BOSE.COM
Installation
Attaching the Grille
Insert the safety lanyard pin into the hole in the loudspeaker. Using both hands, position the grille against the loudspeaker.
The grille secures to the loudspeaker magnetically.
Installing in Hard Ceiling Using a Rough-in Pan (New Construction)
For information on installing a rough-in pan, see the DesignMax Rough-in Pan installation guide at PRO.BOSE.COM. Once
the rough-in pan is installed, see Mounting the Loudspeaker on page 7.
Safety and Regulatory Compliance
The Bose DesignMax DM3C loudspeaker has passed testing and complies with the following specifications and uses:
Listed to ANSI/UL 1480A-2016, Speakers for Commercial & Safety Professional Use
General-Purpose Use - UL Category UEAY, File Number S 5591 Control Number 3N89
UL-2043, 2013, Fire Test and Visible Smoke Release for Discrete Products and their Accessories Installed in Air
Handling Spaces. Suitable for use in air handling (plenum) spaces.
Suitable for installation using Class 1, Class 2, Class 3 wiring methods in accordance with NFPA 70, National
Electrical Code, 2017, Article 640
NFPA 70, National Electrical Code, 2017, Article 300-22(c)
NFPA 90-A, 2015, Installation of Air Conditioning and Ventilation Systems, Paragraph 4.3.11.2.6.5
The DesignMax DM3C loudspeaker has been designed to the requirements defined in the following European regulatory
specification for combination systems:
Tested to IEC60268-5, 2007

©2019 Bose Corporation, All rights reserved.
Framingham, MA 01701-9168 USA
PRO.BOSE.COM
AM837246 Rev. 01
July 2019

TECHNICAL DATA
PRO.BOSE.COM 1OF 4
DesignMax DM3C
in-ceiling loudspeaker
Technical Specifications
SINGLE LOUDSPEAKER PERFORMANCE
Frequency Response (-3 dB) (1) 85 – 19,000 Hz
Frequency Range (-10 dB) (1) 75 - 20,000 Hz
Nominal Coverage Angle (2) 170° Conical
Nominal Coverage Angle (1 - 10 kHz) 155° Conical
Bose extended-lifecycle test (5) AES component test (6)
Power Handling, long-term continuous 25 W 30 W
Power Handling, peak 100 W 120 W
Sensitivity (SPL/ 1W @ 1 m) (3) 83 dB 83 dB
Calculated Maximum SPL @ 1 m (4) 97 dB 98 dB
Calculated Maximum SPL @ 1 m, peak 103 dB 104 dB
Crossover 1.7 kHz (passive 2-way crossover)
Loudspeaker EQ Not Required, Bose EQ voicing and SmartBass processing available
Recommended High-Pass Protection 80 Hz with recommended 24 dB / octave filter
Transformer taps 70V: 3, 6, 12, 25 W, bypass
100V: 6, 12, 25 W, bypass
TRANSDUCERS
Low Frequency 1 x 3.25-inch woofer (83 mm)
High Frequency 20 mm (1 x 0.75-inch) neodymium dome tweeter, coaxially mounted
Technology Dispersion Alignment system, 127 mm (5 in) system diameter
Nominal Impedance 8 ohms (transformer bypass)
Product Overview
DesignMax loudspeakers bring outstanding audio
and aesthetics to any commercial space. The 25-
watt DesignMax DM3C loudspeaker features a two-
way 3.25-inch woofer and ¾-inch tweeter coaxially
mounted within the Dispersion Alignment system,
producing a frequency range of 75 Hz - 20 kHz.
The DM3C is ceiling-mounted and installs easily via
QuickHold mounting arms. And with both black and
white versions available, DesignMax loudspeakers
integrate seamlessly with any décor.
Key Features
Deliver instantly impressive sound with custom Bose drivers — no DSP or EQ required. For even better sound, use select
Bose DSPs and amplifiers to enable Bose loudspeaker EQ and SmartBass processing, which expands performance and
response at any listening level
Ensure a consistent listening experience throughout the room with the Dispersion Alignment system, which matches the
coverage of the woofer to the pattern of the tweeter
Blend into any room design with elegant form factors, minimum-bezel grilles available in black or white, and removable
logos
Reduce installation time with the patented QuickHold mounting system, which also reduces strain, hassle, and the chance
of product damage
Install easily — includes Euroblock connectors; plenum-rated backcan, tile-bridge, and front-access audio wiring that
makes installation and troubleshooting easier

PRO.BOSE.COM 2OF 4
DesignMax DM3C
in-ceiling loudspeaker
PHYSICAL
Enclosure Material Engineered-plastics front bae with integrated steel formed back can
Grille Magnetically attached perforated steel, powder-coated finish, paintable, with safety-tether
Logo Rotatable, removable
Color Black: RAL 9005, White: Bose Arctic White, similar to RAL 9003, Paintable
Environmental Indoor only
Safety Agency UL-1480A, S5591/ UL Listed, in compliance with UL2043 for plenum-space installation, NFPA70 &
NFPA90-A, in accordance with IEC60268-5, ROHS, CE compliant
Operating Temperature Range 0 °C to 50 °C (32 °F to 122 °F)
Connectors Euroblock 6-pin connector with loop-through, front-bae mounted. Accepts 18 AWG
(0.8 mm2) to 14 AWG (2.5 mm2) size wire
Wire/Conduit Entry Top and side wire entry point knockouts, allows for 9.5 mm (3/8 in) conduit
Suspension / Mounting Three (3) QuickHold, spring-loaded mounting arms plus three (3) safety cable tabs
Maximum Ceiling Thickness 39 mm (1.5 in)
Product Dimensions (Grille Diameter × Depth) 255 × 154 mm (10.0 × 6.0 in)
Backcan Dimensions (Diameter × Depth) 203 × 144 mm (8.0 × 5.7 in)
Cut Out Size 208 mm (8.2 in)
Net Weight, Loudspeaker with grille (single) 2.7 kg (5.9 lb)
Net Weight, Tile-Bridge (single) 0.8 kg (1.7 lb)
Shipping Weight (pair) 8.7 kg (19.2 lb)
Included Accessories Adjustable Tile-Bridge, Template
Optional Accessories Rough-in 6-pack
PRODUCT CODES
829708-0110 DESIGNMAX DM3C PAIR BLK
829708-0210 DESIGNMAX DM3 PAIR WHT
Footnotes
(1) Frequency response and range measured on-axis in half-space environment with Bose EQ voicing
(2) 1 kHz to 4 kHz average
(3) Sensitivity measured on-axis in half-space environment with Bose EQ voicing
(4) Maximum SPL calculated from sensitivity and power handling specifications, exclusive of power compression.
(5) Bose extended-lifecycle test using pink noise filtered to meet IEC268-5, 6-dB crest factor, 500-hour duration.
(6) AES standard 2-hour duration with IEC system noise
For additional specifications and application information, please visit PRO.BOSE.COM.
Specifications subject to change without notice. 11/2019

PRO.BOSE.COM 3OF 4
DesignMax DM3C
in-ceiling loudspeaker
For additional specifications and application information, please visit PRO.BOSE.COM.
Specifications subject to change without notice. 11/2019
On-Axis Frequency Response (half-space (2π) with Bose EQ voicing)
Impedance
Beamwidth
20 1001000 1000020000
Frequency (Hz)
1
10
100
Ohms
20 1001000 1000020000
Frequency (Hz)
60
70
80
90
100
110
120
SPL (dB)
20 100 1000 10000 20000
Frequency (Hz)
10
100
360
Angle (degrees)
Horizontal
Vertical

PRO.BOSE.COM 4OF 4
Dimensions
DesignMax DM3C
in-ceiling loudspeaker
For additional specifications and application information, please visit PRO.BOSE.COM.
Specifications subject to change without notice. 11/2019

PROFESSIONAL
DesignMax Loudspeakers
DM3C In-ceiling Loudspeaker

II H 11111 11
84 7962-0010
©2019 Bose Corporation, All rights reserved .
Framingham, MA 01701-9168 USA
PRO.BOSE.COM
AM847962 Rev. 00
August 2019
PRO FES S I ONA L