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• Explanation of Graphical Symbols

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 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 produce 
heat.

9

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.

10

Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit 
from the apparatus.

11

Only use attachments/accessories specified by the manufacturer.

12

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.

13

Unplug this apparatus during lightning storms or when unused for long periods of time.

14

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.

We Want You Listening For A Lifetime

Yamaha and the Electronic Industries Association’s Consumer Electronics Group want you to get the most out of your 
equipment by playing it at a safe level. One that lets the sound come through loud and clear without annoying blaring or 
distortion - and, most importantly, without affecting your sensitive hearing. Since hearing damage from loud sounds is 
often undetectable until it is too late, Yamaha and the Electronic Industries Association’s Consumer Electronics Group 
recommend you to avoid prolonged exposure from excessive volume levels. Operate this unit by the following 
procedure.

COMPLIANCE INFORMATION STATEMENT

 (DECLARATION OF CONFORMITY PROCEDURE)

Responsible Party: 

Yamaha Electronics Corporation, U.S.A.

Address: 

6660 Orangethorpe Avenue
Buena Park, CA 90620

Telephone: 714-522-9105
Fax: 714-670-0108
Type of Equipment: 

BLUETOOTH WIRELESS SPEAKER SYSTEM

Model Name: 

NX-B02

This device complies with Part 15 of the FCC Rules and RSS-Gen of IC 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, including interference that may cause undesired operation of this device.
See user manual instructions if interference to radio reception is suspected.

To assure the finest performance, please read this manual carefully. Keep it in a safe place for future reference.

1

Install this unit in a well ventilated, cool, dry, clean place - away from direct sunlight, heat sources, vibration, dust, moisture, and/or 
cold. (Do not use/keep this unit in a car etc.)

2

Locate this unit away from other electrical appliances, motors, or transformers to avoid humming sounds.

3

Do not expose this unit to sudden temperature changes from cold to hot, and do not locate this unit in an environment with high humidity 
(i.e. a room with a humidifier) to prevent condensation inside this unit, which may cause an electrical shock, fire, damage to this unit, 
and/or personal injury.

4

Avoid installing this unit where foreign objects may fall onto this unit and/or this unit may be exposed to liquid dripping or splashing. 
On the top of this unit, do NOT place:
- Other components, as they may cause damage and/or discoloration on the surface of this unit.
- Burning objects (i.e. candles), as they may cause fire, damage to this unit, and/or personal injury.
- Containers with liquid in them, as they may fall and liquid may cause electrical shock to the user and/or damage to this unit.

5

Do not cover this unit with a newspaper, tablecloth, curtain, etc. in order not to obstruct heat radiation. If the temperature inside this unit 
rises, it may cause fire, damage to this unit, and/or personal injury.

6

Do not plug this unit into an AC wall outlet until all connections are complete.

7

Do not operate this unit upside-down. They may overheat, possibly causing damage.

8

Do not use force on switches, knobs, and/or cords.

9

When disconnecting the AC adaptor from the wall outlet, grasp the AC adaptor; do not pull the cord.

10 Do not clean this unit with chemical solvents; this might damage the finish. Use a clean, dry cloth.
11 Only the voltage specified on this unit must be used. Using this unit with a higher voltage than specified is dangerous and may cause 

fire, damage to this unit, and/or personal injury. Yamaha will not be held responsible for any damage resulting from use of this unit with 
a voltage other than that specified.

12 Do not attempt to modify or fix this unit. Contact qualified Yamaha service personnel when any service is needed. The cabinet should 

never be opened for any reason.

13 When not planning to use this unit for long periods of time (i.e. when going on vacation), disconnect the AC adaptor from the AC wall 

outlet.

14 Be sure to read the “Troubleshooting” section regarding common operating errors before concluding that the unit is faulty.
15 Before moving this unit, press power to set this unit to off, and disconnect the AC adaptor from the wall outlet.
16 Be sure to use the AC adaptor supplied with this unit. Using an AC adaptor other than the one provided may cause fire or damage to this 

unit.

17 Install this unit near the wall outlet and where the AC adaptor can be reached easily.
18 For added protection for this product during a lightning storm, or when it is left unattended and unused for long periods of time, unplug 

it from the wall outlet. This will prevent damage to the product due to lightning and power-line surges.

19 The batteries shall not be exposed to excessive heat such as sunshine, fire or the like.

Special Instructions for U.K. Model

Thank you for selecting this Yamaha product.

Choose one of the two ways of the power supplies and the audio inputs according to your usage circumstances.

1

When using AC Adaptor

2

When using batteries

BLUETOOTH WIRELESS SPEAKER SYSTEM

NX-B02 

OWNER’S MANUAL

IMPORTANT SAFETY INSTRUCTIONS

IMPORTANT

Please record the serial number of this unit in the space below.
MODEL: 
Serial No.: 
The serial number is located on the rear of the unit. Retain this Owner’s Manual in a safe place for future reference.

Caution: Read this before operating your unit.

CAUTION

RISK OF ELECTRIC SHOCK DO 

NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC 

SHOCK, DO NOT REMOVE 

COVER (OR BACK). NO USER-SERVICEABLE PARTS 
INSIDE. REFER SERVICING TO QUALIFIED SERVICE 

PERSONNEL.

The lightning flash with arrowhead symbol, within 
an equilateral triangle, is intended to alert you to 
the presence of uninsulated “dangerous voltage” 
within the product’s enclosure that may be of 
sufficient magnitude to constitute a risk of electric 
shock to persons.

The exclamation point within an equilateral 
triangle is intended to alert you to the presence of 
important operating and maintenance (servicing) 
instructions in the literature accompanying the 
appliance.

FCC INFORMATION (for US customers)

1

IMPORTANT NOTICE : DO NOT MODIFY THIS 
UNIT!

This product, when installed as indicated in the instructions 
contained in this manual, meets FCC requirements. 
Modifications not expressly approved by Yamaha may void 
your authority, granted by the FCC, to use the product.

2

IMPORTANT :

 When connecting this product to 

accessories and/or another product use only high quality 
shielded cables. Cable/s supplied with this product MUST be 
used. Follow all installation instructions. Failure to follow 
instructions could void your FCC authorization to use this 
product in the USA.

3

NOTE :

 

This product has been tested and found to comply 

with the requirements listed in FCC Regulations, Part 15 for 
Class “B” digital devices. Compliance with these 
requirements provides a reasonable level of assurance that 
your use of this product in a residential environment will not 
result in harmful interference with other electronic devices.

This equipment generates/uses radio frequencies and, if not 
installed and used according to the instructions found in the users 
manual, may cause interference harmful to the operation of other 
electronic devices.

Compliance with FCC regulations does not guarantee that 
interference will not occur in all installations. If this product is 
found to be the source of interference, which can be determined by 
turning the unit “OFF” and “ON”, please try to eliminate the 
problem by using one of the following measures:
Relocate either this product or the device that is being affected by 
the interference.

Utilize power outlets that are on different branch (circuit breaker or 
fuse) circuits or install AC line filter/s.

In the case of radio or TV interference, relocate/reorient the 
antenna. If the antenna lead-in is 300 ohm ribbon lead, change the 
lead-in to coaxial type cable.
If these corrective measures do not produce satisfactory results, 
please contact the local retailer authorized to distribute this type of 
product. If you can not locate the appropriate retailer, please 
contact Yamaha Electronics Corp., U.S.A. 6660 Orangethorpe 
Ave, Buena Park, CA 90620.
The above statements apply ONLY to those products distributed by 
Yamaha Corporation of America or its subsidiaries.

IMPORTANT

THE WIRES IN MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE:
Blue: NEUTRAL
Brown: LIVE
As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in 
your plug, proceed as follows:
The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK. The wire which 
is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.
Making sure that neither core is connected to the earth terminal of the three pin plug.

This equipment compiles with FCC/IC radiation exposure limits set forth for uncontrolled equipment and meets the FCC radio frequency 
(RF) Exposure Guidelines in Supplement C to OET65 and RSS-102 of the IC radio frequency (RF) Exposure rules. This equipment has very 
low levels of RF energy that it deemed to comply without maximum permissive exposure evaluation (MPE). But it is desirable that it should 
be installed and operated with at least 20 cm and more between the radiator and person’s body (excluding extremities: hands, wrists, feet and 
ankles).

NOTICE

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 to 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 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/TV technician for help.

This unit features a magnetically shielded design, but there is still a chance that placing it too close to a TV set might impair picture color. 
Should this happen, move this unit away from the TV set.

FOR CANADIAN CUSTOMERS

This Class B digital apparatus complies with Canadian ICES-003.

FCC WARNING

Change or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the 
equipment.

This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter.

WARNING

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.

Introduction

Controls and functions

Connections

Power supplies

2 way power supply

You can choose one of two power supplies according to 
your usage circumstances: AC adaptor or batteries.

The Bluetooth wireless technology

By the bluetooth technology, enjoy clear sound with 
wireless easily.

Real stereo sound

The high quality amplifier, titanium diaphragm and 
Yamaha’s unique SR-BASS technology achieve high 
quality sound.

PowerStorage™ circuit (High 20 W power)

Yamaha’s original power technology enables an 
impressive 20 W output (Max. Instantaneous Power).

Supplied accessories

AC adaptor (DC 12 V, 1 A) ..............................................  1

The shape of the adaptor may vary depending on the area 
where you purchased.
China model  ...................................  MU12-2120100-A2
Europe model  .................................  MU12-2120100-C5
Korea model ...................................  MU12-2120100-C4
U.K. model .....................................  MU12-2120100-B2

1

Status indicator (LED)

Indicates the current status of this unit. For details, refer 
to “About the status indicator (LED)” on page 2.

2

 (Bluetooth/Mute button)

Sets this unit to pairing mode to use Bluetooth 
connection or mutes the sound. To cancel the mute, 
press   again or 

/ . The status indicator flashes 

during mute.

3

 (Power button)

Turns this unit on. Press   again to turn this unit off. 
When this unit is on, the power indicator lights up in 
green.

4

/  (Volume buttons)

Adjust the volume level. Press 

 to increase the volume 

3 4

1 2

1 Connect the supplied AC adaptor to DC IN 

12V terminal at the back of this unit.

2 Plug the AC adaptor to the AC wall outlet.

To AC wall outlet

AC adaptor 
(supplied)

DC IN 12V terminal

1 Open the battery compartment cover on 

the bottom of this unit.

2 Insert the 4 commercially available 

batteries (AA, R6, UM-3) according to the 
polarity markings (+ and –) on the inside 
of the battery compartment.

3 Close the battery compartment cover.

Bottom view

English

Printed in China 

 WM62610

UB

En_NX-B02_UB.fm  Page 1  Tuesday, August 7, 2007  6:39 PM

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