Toa IR-820SP User manual

OPERATING INSTRUCTIONS
INFRARED WIRELESS SPEAKER IR-820SP
Thank you for purchasing TOA’s Infrared Wireless Speaker.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
TOA Canada Corporation

2
TABLE OF CONTENTS
1. IMPORTANT SAFETY INSTRUCTIONS .................................... 3
2. SAFETY PRECAUTIONS........................................................... 4
3. GENERAL DESCRIPTION ......................................................... 5
4. FEATURES..................................................................................... 5
5. NOMENCLATURE AND DIMENSIONS..................................... 6
6. SYSTEM CONFIGURATION EXAMPLE.................................... 7
6.1. Two microphones system…………………………………………………………...…...7
6.2. Four microphones system………………………………………………………………..7
7. INSTALLATION PRECAUTIONS................................................ 8
7.1. Installation Position................................................................................................... 8
7.2. Distance Between the Infrared Wireless Microphone and IR-820SP ...................... 8
7.3. Radio Noise.............................................................................................................. 9
7.4. Connection to IR-802T ............................................................................................. 9
7.5. Sunlight and Fluorescent Lighting ........................................................................... 9
8. MOUNTING HARDWARE INSTALLATION ..............................10
9. WIRING......................................................................................14
10. SPEAKER INSTALLATION........................................................15
11. REMOVING THE IR-820SP FOR MAINTENANCE .................17
12. INPUT OVERLOAD PROTECTION FUNCTION................. 18
13. SAFETY AGENCY COMPLIANCE..........................................18
14. TROUBLESHOOTING.............................................................18
15. SPECIFICATIONS ...................................................................19
Accessories................................................................................................................... 19
Optional product............................................................................................................ 19

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1. IMPORTANT SAFETY INSTRUCTIONS
• Read these instructions.
• Keep these instructions.
• Heed all warnings.
• Follow all instructions.
• Do not use this apparatus near water.
• Clean only with dry cloth.
• Do not block any ventilation openings. Install in accordance with the manufacture's instructions.
• Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including
amplifiers) that produce heat.
• Do not defeat the safety purpose of the polarized or grounding-type plug.
A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a
third grounding prong. The wide blade or the third prong are provided for your safety.
If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
• Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and
the point where they exit from the apparatus.
• Only use attachments/accessories specified by the manufacturer.
• Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or
sold with the apparatus.
When a cart is used, use caution when moving the cart/apparatus combination to avoid
injury from tip-over.
• Unplug this apparatus during lightning storms or when unused for long periods of time.
• Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged
in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into
the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been
dropped.

4
WARNING
CAUTION
Indicates a potentially hazardous situation which, if
mishandled, could
result in death or serious personal injury.
Indicates a potentially hazardous situation which, if mishandled, could
result in moderate or minor personal injury, and/or property damage.
2. SAFETY PRECAUTIONS
• Before installation or use, be sure to carefully read all the instructions in this section for correct and safe
operation.
• Be sure to follow all the precautionary instructions in this section, which contain important warnings and/or
cautions regarding safety.
• After reading, keep this manual handy for future reference.
Safety Symbol and Message Conventions
Safety symbols and messages described below are used in this manual to prevent bodily injury and property
damage which could result from mishandling. Before operating your product, read this manual first and
understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards.
WARNING the power supply plug from the AC outlet and
contact your nearest TOA dealer. Make no further
attempt to operate the unit in this condition as this
When Installing the Unit
• Refer all installation work to the dealer from whom
the speaker was purchased. Speaker installation
requires extensive technical knowledge and
experience. The speaker may fall off if incorrectly
installed, resulting in possible personal injury.
• Install the unit only in a location that can structurally
support the weight of the unit and the mounting
bracket. Doing otherwise may result in the unit
falling down and causing personal injury and/or
property damage.
• Since the unit is designed for indoor use, do not
install it outdoors. If installed outdoors, the aging of
may cause fire or electric shock.
· If you detect smoke or a strange smell coming
from the unit.
· If water or any metallic object gets into the unit
· If the unit falls, or the unit case breaks
· If the connection cable is damaged (exposure of
the core, disconnection, etc.)
· If it is malfunctioning (no tone sounds.)
• To prevent a fire or electric shock, never open nor
remove the unit case. Refer all servicing to qualified
service personnel.
CAUTION
parts causes the unit to fall off, resulting in personal
injury. Also, when it gets wet with rain, there is a
danger of electric shock.
• Do not use other methods than specified to mount
the bracket. Extreme force is applied to the unit and
the unit could fall off, possibly resulting in personal
injuries.
• Attach the safety wire to the unit. If not attached, the
unit could fall off, resulting in personal injury.
• Use nuts and bolts that are appropriate for the
ceiling’s or wall’s structure and composition. Failure
to do so may cause the speaker to fall, resulting in
material damage and possible personal injury.
• Tighten each nut and bolt securely. Ensure that
the bracket has no loose joints after installation
to prevent accidents that could result in personal
injury.
When the Unit is in Use
• Should the following irregularity be found during
use, immediately switch off the power, disconnect
When Installing the Unit
• Avoid installing the unit in humid or dusty locations,
in locations exposed to the direct sunlight, near the
heaters, or in locations generating sooty smoke
or steam as doing otherwise may result in fire or
electric shock.
• Avoid touching the sharp metal edge to prevent
injury.
• To avoid electric shocks, be sure to switch off the
unit’s power when connecting speakers.
When the Unit is in Use
• Do not operate the unit for an extended period of
time with the sound distorting. Doing so may cause
the connected speakers to heat, resulting in a fire.

5
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference with
radio communications. However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/television technician for help.
3. GENERAL DESCRIPTION
The Infrared Wireless Microphone System using this IR-820SP is a PA system designed for use in the school
classrooms assuming that their size is about 10 m x 10 m (30 ft x 30 ft).
The IR-820SP is a ceiling-mounted powered speaker with the infrared receiver and offers a wide frequency
range of high-quality sound output. It features a digital amplifier for the amplification section, and a full-range
speaker for the speaker section.
Use of the supplied mounting hardware and optional HY-TB1 Tile Bar Bridge permits it to be versatilely mounted
to match a wide range of applications and installation locations. This speaker is combined with an infrared
wireless microphone and the IR-802T Infrared Wireless Tuner to make up the infrared wireless microphone
system.
The infrared wireless microphone system eliminates problems with interference or eavesdropping, allowing
simultaneous use in adjacent school classrooms.
4. FEATURES
• Bass-reflex speaker system designed to provide a wide frequency range and high power handling capability.
• Wide-dispersion ceiling-mounted speaker design employs unique acoustic construction to realize a wide
area of coverage. Uniform sound output levels are achievable not only directly under the speaker, but also
over a wide radius.
• Connected to the IR-802T Infrared Wireless Tuner using a single Category 5 straight through cable fitted with
an RJ-45 connector.
• Operates on DC power supplied from the IR-802T.
• Sends infrared signals to the IR-802T. Receives mixed audio signals from the IR-802T.
• Power amplifier section of 20 W output through digital amplification.
• Easy installation. Can be quickly and accurately mounted to ceilings.
• Compliant to UL2043 standard (Plenum, Use in the Air Handling Space).
FCC Compliance
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired
operation.
Any modifications made to this device that are not approved by TOA Corporation may void the authority
granted the user by the FCC to operate this equipment.

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5. NOMENCLATURE AND DIMENSIONS
[Front] [Side]
Power indicator
Unit: mm (inches)
Front grille
[Rear]
Infrared filter
Safety wire hook
70.5 (2.78)
205 (8.07)
Safety wire
(accessory)
Choke bracket
[Ceiling mounting]
ø300 (ø11.81) (Mounting hole)
Connector cover Ceiling reinforcement ring
(accessory)
Trim ring (accessory)
[Trim ring (accessory)] [Ceiling reinforcement ring (accessory)]
1.2 (0.05)
ø366.5 (ø14.43)
9.5 (ø0.38)
65 (2.56)
47.3 (1.86)
1.2 (0.05)
ø350 (ø13.78)
ø320 (ø12.6)
30 (1.18)
Approx. 600 (23.62)
Max. 37 (1.46)
Max.131 (5.16)

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6. SYSTEM CONFIGURATION EXAMPLE
6.1. Two microphones system
Category 5 cable (straight type)
Notes
• Use a Category 5 plenum cable
(straight type) when routing the
cable in locations where plenum-
rated cable is required.
• Cross type cables cannot be used.
• The cable length must not exceed
50 m (54.68 yd).
IR-820SP Y 4Q
Infrared Wireless Speaker
IR-200M Y 4Q
Infrared Wireless Microphone
IR-802T CU AQ / IR-802T CU 1Q
Infrared Wireless Tuner
IR-3 1 0M Y PQ
Infrared Wireless Microphone
6.2. Four microphones system
MB
-
15B
-
BK
Half Width Blank Panel
IR
-
200BT
-
2
Ni-MH Battery
for Infrared wireless microphones
(pack of 2)
IR
-
200BC
Battery Charger
IR-802T CU AQ
Infrared Wireless Tuner
IR-802T CU 1Q
Infrared Wireless Tuner
IR-200M Y 4Q
Infrared Wireless microphone
Student 2: channel “1”
Student 3: channel “2”
IR-310M Y PQ
Infrared Wireless Microphone
Teacher: channel “A”
IR-200M Y 4Q
Infrared Wireless Microphone
Student 1: channel “B”
IR-801AF US DQ
Audio Interface Unit
IR-820SP Y 4Q
Infrared Wireless Speaker
Note
The cable length must be
Cable “a” + “b” = Cable “c” + “d”.
Cable “a”
Cable “c”
Cable “b” Cable “d”

8
About 10 m (30 ft) max.
7. INSTALLATION PRECAUTIONS
Because the infrared wireless microphone and the IR-820SP have their own directivity for infrared transmission
and reception, take care that they are installed and operated under stable communication conditions.
7.1. Installation Position
• Install the IR-820SP in the ceiling in the center of the room whose size should not exceed 10 m x 10 m (30
ft x 30 ft) with ceiling height of 2.5 – 3 m (8.2 – 9.84 ft) so that the Infrared wireless microphone can be used
everywhere throughout the room.
• The infrared beam can be blocked by a human body or other objects. To avoid this, install the IR-820SP in
the way that it can be viewed from the infrared wireless microphone.
Note
In the figure at right, the microphone directly facing
the IR-820SP can be used because no obstacle
exists between them.
However, when a talker turns his or her back on the NG
IR-820SP, signal reception from the microphone
is interrupted because the human body acts as
obstacle.
Good
7.2. Distance Between the Infrared Wireless Microphone and IR-820SP
Malfunctions or noise could result from the infrared wireless microphone and the IR-820SP being too close to
each other. Keep the infrared wireless microphone at least 2 m (6.56 ft) away from the IR-820SP.
2.5
–
3 m
(8.2 – 9.84 ft)

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7.3. Radio Noise
Do not install the IR-820SP and cable close to devices that can generate radio noise, such as: inverter-powered
equipment (fluorescent lights, air-conditioners, etc.), dimmers, digital equipment, PCs and other computer
equipment.
7.4. Connection to IR-802T
Be sure to connect the connection cable from the IR-
820SP to the "TO IR-820SP" terminal on the IR-802T’s
rear panel. For further details of the connection, refer to
Step 3 on p. 14 .
7.5. Sunlight and Fluorescent Lighting
System malfunctions or noise could result from installing the IR-820SP in locations exposed to sunlight,
fluorescent lighting or other infrared generating sources. When installing the IR-820SP, make the following
arrangements so that it is not exposed to infrared sources:
IR-820SP
Fluorescent lighting
Over 50 cm
Sunlight
(1.64 ft) Over 2 m (6.56 ft)
7.5.1. Avoid sunlight
• To prevent the IR-820SP from being directly exposed to sunlight, block the sunlight using curtains or window
shades.
• When mounting the IR-820SP to a ceiling, keep it at least 2 m (6.56 ft) away from the window.
7.5.2. Install away from fluorescent lighting
When installing the IR-820SP, keep it at least 50 cm (1.64 ft) away from the fluorescent lighting.
7.5.3. Avoid installing close to other infrared sources shown below
• Lighting device
• Liquid crystal projectors, overhead projectors and incandescent lights
• Plasma displays
• Remote control units, infrared LAN and other infrared devices
DC24V
IR
-
802T
DC24V

10
8. MOUNTING HARDWARE INSTALLATION
[Installation view on Drop Ceilings]
Because the bridge rails are 603 mm (23.74”) in length, be sure to match them to the ceiling tile size during
installation.
Reinforcement ring mounting screw
Tie-plate mounting screw
Tie-plate
(preinstalled on Bridge rail)
Bridge rail
HY-TB1
(optional)
T-grid Ceiling tile Ceiling reinforcement ring (accessory)
[Installation view on Dry Wall Ceilings]
Reinforcement ring mounting screw
Tie-plate mounting screw
Tie-plate
(preinstalled on Bridge rail)
Bridge rail
HY-TB1
(optional)
Ceiling frame
Ceiling panel Ceiling reinforcement ring (accessory)
Before Installing the IR-820SP
Determine the most appropriate method for the ceiling structure. Be sure to use an optional HY-TB1 Tile Bar
Bridge in combination with the supplied ceiling reinforcement ring.
WARNING
Set the bridge rails so that both ends fit securely into the T
-
grids, even
if the ceiling tile accidentally falls off.
WARNING
Only install the Tile Bar Bridge on ceiling frames that can structurally
support the weight of the speaker.

11
Step 1. Cut a φ300 mm (11.81”) hole in the ceiling.
Use the supplied paper pattern to position and trace the hole.
ø300 ± 5 mm (11.81 ± 0.2")
Ceiling panel or ceiling tile
Step 2. Install the HY-TB1 in the ceiling.
Loosen the two reinforcement ring mounting screws in each tie-plate to the point that they do not fall
out of their holes.
HY-TB1
(optional)
Tie-plate
Bridge rail
Tie-plate mounting screw
Reinforcement ring mounting screws
(Leave these screws loose.)
[For Drop Ceiling]
• Mounting to 2-foot tiles
Align the two bridge rails as shown in the figure
at right.
HY-TB1 (optional)
• Mounting to 600 mm tiles
Align the two bridge rails diagonally at an angle
of 10° – 15°.
600 mm tile
HY-TB1 (optional)
10º – 15º
T-grid
2
-
foot tile
T
-
grid

12
Step 3. Place the supplied reinforcement ring on the ceiling
panel.
Fold the reinforcement ring in half* and insert it
through the mounting hole in the ceiling panel.
* The reinforcement ring is too large to be inserted
into the mounting hole unless folded.
Then open it with its tabs facing up.
Place the ring on the ceiling panel aligning it with
the mounting hole.
Step 4. Attach the ceiling reinforcement ring to each tie-
plate using 2 reinforcement ring mounting screws.
Mounting hole
Ceiling reinforcement ring
(accessory)
Reinforcement ring placed on the ceiling panel
These tabs must
face upward,
away from the hole.
Reinforcement ring mounting screw
1
Tie-plate
Ceiling reinforcement ring
2
Fit closely to the back surface
of the ceiling panel.
Tie-plate mounting screw
If the ceiling reinforcement ring does not line up
accurately with the ceiling mounting hole, adjust its
position by either loosening the tie-plate mounting
screws and sliding the tie-plate into correct position,
or by shifting the tie-plate mounting screws to the
appropriate holes in the Tile Bridge rails.
The ceiling reinforcement ring can be moved in the
direction indicated by the arrows.
Note
Be sure to tighten the tie-plate mounting screws
after completing the adjustment.
Tie
-
plate
Ceiling reinforcement ring

13
Step 5. Attach the supplied trim ring to the IR-820SP.
Step 6. Attach the supplied safety wire to prevent the IR-820SP from accidentally falling.
To attach, tie one end of the safety wire around the speaker’s safety wire hook, and tie its snap ring
around solid structure (pipe, building frame, etc.).
Solid structure (pipe, building frame, etc.)
HY-TB1 (optional)
Ceiling frame
6
Safety wire
(accessory)
Ceiling panel
5
Safety wire
(accessory)
6
Trim ring (accessory)
5
Safety wire hook
IR-820SP

14
9. WIRING
Step 1. Loosen 2 mounting screws first, then gradually
loosen 2 bracket screws alternately to slide the
choke brackets outward.
Step 2. Loosen 2 connector cover mounting screws, then
Mounting screw
Bracket screw
1
open the connector cover by sliding it.
Choke bracket
Connector cover
2
Step 3. Run the speaker cable through the gap in the
choke bracket, then connect its RJ-45 connector
to the IR-802T connection terminal.
Notes
• Use a Category 5 plenum cable (straight type)
when routing the cable in locations where
plenum-rated cable is required.
• Cross type cables cannot be used.
• The cable length must not exceed 50 m (54.68
yd).
• Be sure to connect the connection cable from
the IR-820SP to the "TO IR-820SP" terminal on
the IR-802T's rear panel.
Never short-circuit the connector nor connect
it to the LAN terminal of other device, as this
could cause the unit failure.
Step 4. Close the connector cover by sliding it, then
retighten the 2 loosened screws to secure it.
Step 5. Gradually tighten 2 bracket screws alternately to
slide the choke brackets inward until the cable is
clamped. Then, retighten the 2 loosened mounting
screws.
To the IR-802T's "TO IR-820SP" terminal
3 IR-802T connection
terminal
CAUTION
To avoid electric shocks, be sure to switch
off the IR-802T Infrared Wireless Tuner’s
power when connecting the IR-820SP.
5
4

15
10. SPEAKER INSTALLATION
Note
Before mounting, check to be sure that the IR-820SP’s 4 mounting
tabs are turned inside the unit as shown in the figure.
If turned outward, the speaker cannot be inserted through the
mounting hole.
Mounting tab
Step 1. Remove the 2 infrared filters.
Loosen 2 screws securing each infrared filter, then detach the filter by sliding it outward.
Notes
• Discharge static electricity on your body before starting this step.
• After detaching the infrared filters, you will find the infrared receiver circuit parts and wirings inside
the unit. Never touch them.
Step 2. Insert the IR-820SP through the mounting hole till it contacts the ceiling panel.
Infrared receiver circuit parts
1
1
Intrared filter
Screws
Ceiling
2
In
Out

16
Mounting tab
Mounting tab axis screw
4
ews
4
Use an electric screwdriver to tighten.
(Tightening torque: 0.58 – 0.98 N·m
or 6 – 10 kgf·cm)
3
Step 3. Rotate and tighten the 4 mounting tab axis screws on the unit clockwise to their full stop in order to grip
the ceiling panel with the mounting tabs.
Step 4. Replace the detached 2 infrared filters.
Replace each infrared filter by sliding it inward, then secure the filter with 2 screws.
Scr

17
11. REMOVING THE IR-820SP FOR MAINTENANCE
Step 1. Remove the 2 infrared filters.
Loosen 2 screws securing each infrared filter, then detach the filter by sliding it outward.
Notes
• Discharge static electricity on your body before starting this step.
• After detaching the infrared filters, you will find the infrared receiver circuit parts and wirings inside
the unit. Never touch them.
Infrared receiver circuit parts
Intrared filter
Screws
Step 2. Rotate the 4 mounting tab axis screws counterclockwise.
The mounting tabs rise as the screws turn, allowing the
speaker to be removed.
Counterclockwise
Screw cap
Mounting tab
Mounting tab axis screw
Screws
Notes
• When loosening the mounting tab axis screws,
support the IR-820SP by hand to prevent it from
falling.
• Be sure to set the screwdriver’s torque for under
0.58 N·m (6 kgf·cm.)
Failure to do so may cause the screw cap and the
mounting tab to fall off on the rear of ceiling panel.
Use an electric screwdriver
to detach.

18
12. INPUT OVERLOAD PROTECTION FUNCTION
The IR-820SP features an internal input overload protection circuitry. If an extremely high input level is fed to
the unit, the protection circuitry automatically cuts off the signal to the speaker element.
Note
This protection circuitry does not completely protect the unit against extremely high input power levels.
Depending on the type or duration of excessive power input, the protection circuitry might not operate, resulting
in damage to the speaker element. Also, if an excessive power input continues for a long period of time, the
circuitry may not be capable of resetting to its original condition.
Use the system with care so that an excessive power input is not applied to the IR-820SP.
13. SAFETY AGENCY COMPLIANCE
This product is for indoor use only.
Products are suitable for use in general (non-fire alarm) signaling service in conjunction with compatible
Listed audio equipment, the combination of which is intended to be installed in accordance with the applicable
requirements of the National Electrical Code (NEC) and the local authority having jurisdiction.
Fire Test for Heat and Visible Smoke Release for Discrete Products and their Accessories Installed in Air-
Handling Spaces (1998) - NFPA 70 National Electrical Code (NEC) 2002, Article 300-22 (c) and NFPA 90A
Installation of air-conditioning and ventilation systems, section 2-3.10.1 (a) exception 3.
14. TROUBLESHOOTING
Symptom Cause and Points to Check Remedy
The power indicator
does not light when the
power switch is turned
on.
The connection cable to IR-802T is
possibly failed.
Confirm correctness of the connection
to IR-802T and connection cable. If
faulty is found, connect correctly or
replace the cable with appropriate
one.
No sound outputs. The connection cable to IR-802T is
possibly failed.
Confirm correctness of the connection
to IR-802T and connection cable. If
faulty is found, connect correctly or
replace the cable with appropriate
one.
Noise or strange (i.e.
muddy) sound is heard.
IR-820SP is installed in close
proximity to a device generating radio
noise or infrared light.
Set the speaker properly, referring
to "7.5. Sunlight and Fluorescent
Lighting" (Refer to p. 9 ) for the
infrared wireless speaker.
Short transmission
distance.
IR-820SP is not properly installed. Install the infrared wireless speaker
properly.
Acoustic feedback
occurs.
The microphone head is covered with
your hand(s).
Do not cover the microphone head
with your hand(s).
The IR-802T’s MID level of the
equalizer controls is set relatively
high.
Decrease the MID level of the
equalizer controls.

19
15. SPECIFICATIONS
IR-820SP Y 4Q
Power Source 24 V DC (supplied from IR-802T)
Power Consumption 4.4 W (based on UL standard)
Rated Output 20 W
Frequency Response 100 Hz – 20 kHz (–10 dB) at installation in 1/2 free sound field
(Measured by installing the unit in the center of a ceiling.)
Amplification System Class D
Distortion 5% or less (rated output)
Speaker Component 12 cm (5") cone-type
Infrared Wireless Receiver
Wavelength 870 nm
Carrier Frequency Channel A : 3.100 MHz, Channel B : 3.350 MHz
Channel 1 : 4.100 MHz, Channel 2 : 4.725 MHz
Reception Angle 360° (Horizontal)
Connection Terminal RJ-45
LED Indicator Power (green) x 1
UL Code UL60065, UL2043
Mounting Hole φ 300 mm (11.81")
Usable Cable Category 5 UTP
Operating Temperature –10 to 50 ºC (14 to 122 ºF)
Operating Humidity 90 %RH or less (no condensation)
Finish Enclosure : Steel plate, plating
Baffle : Fire-resistant ABS resin (resin material grade: UL-94 V-0),
white
Punched net : Steel plate, white
Filter section : Polycarbonate, optical cut filter
Dimensions φ320 x 205 (d) mm (φ12.6" x 8.07")
Weight 3.4 kg (7.5 lb)
* 0 dB = 1 V
Note: The design and specifications are subject to change without notice for improvement.
• Accessories
Safety wire (600 mm or 1.97 ft) ...................... 1
Ceiling reinforcement ring .............................. 1
Paper pattern .................................................. 1
Trim ring.......................................................... 1
• Optional product
HY-TB1 Tile Bar Bridge: Use this bridge when mounting the speaker unit to drop ceiling or weak dry wall ceiling.

133-07-00125-00
www.toacanada.com
TOA Canada Corporation