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Powering the Speaker

There are two options to power your wireless speaker: using the included AC power adapter 
or using 8 AA batteries (not included). 

AC Power Adapter

Insert the small, round plug from the speaker AC 

1. 

power adapter into the DC In jack on the bottom 
panel of the speaker.

Plug the other end of the speaker AC power 

2. 

adapter into any standard 120V AC wall outlet. 

Notes:

 Be sure to use the speaker AC power adapter 

rated 12V DC 1000 mA. 

The power unit should be plugged in so that it stays 
vertical or lies fl at.

AA Batteries

Remove the battery compartment cover on the bottom of the speaker.

1. 

Insert eight (8) AA batteries (not included) into the speaker following the polarity (”+” 

2. 

and “-”) as diagrammed inside the battery compartment.

Replace the battery compartment cover on the bottom of the speaker.

3. 

Note:

 Place the rubber cap in the speaker power input jack when using batteries.

DO NOT

 mix batteries with different chemistry types (for example, a zinc battery with an alkaline 

battery). 

DO NOT

 mix new and used batteries. 

DO NOT 

leave batteries installed in the product 

when not in use for long periods. Always remove old, weak or worn-out batteries promptly and 
recycle or dispose of them in accordance with local and national regulations.

Introduction

The AS3BK portable wireless speaker makes it easy to take your music wherever you go and 
share it whenever you want, with 

Bluetooth

® wireless connectivity and a built-in auxiliary 

input. It’s compact, easy-to-carry and simple to use.

This manual covers various connection options and detailed operating instructions for 
making the customizable portable wireless speaker a part of your lifestyle. If, after having 
reviewed the instructions, you have any questions, please call toll-free 1-800-732-6866 or 
visit www.acoustic-research.com.

Important Information

RISK OF ELECTRIC SHOCK.

DO NOT OPEN.

CAUTION

Caution:

 To reduce the risk of electric shock, do not remove cover (or back). No 

user serviceable parts inside. Refer servicing to qualifi ed service personnel.

Product Information

Keep your sales receipt to obtain warranty parts and service and for proof of purchase. Attach it here and record the 
serial and model numbers in case you need them. These num bers are located on the product. 

Model No.: _____________________________________________________________________________________________

Purchase Date: _________________________________________________________________________________________  

Dealer/Address/Phone: __________________________________________________________________________________

Important Safety Instructions

1.   Read these instructions.
2.  Keep these instructions.
3.  Heed all warnings.
4.  Follow all instructions.
5.  Clean only with dry cloth.
6.  Do not block any ventilation openings. Install in 

accordance with the manufacturer’s instructions.

7.   Do not install near any heat sources such as radiators, 

heat registers, stoves, or other apparatus (including 
amplifi ers) that produce heat.

8.  Protect the power cord from being walked on or pinched 

particularly at plugs, con ve nience re cep ta cles, and the 
point where they exit from the apparatus.

9.  Unplug this apparatus during lightning storms or when 

unused for long periods of time.

10. Refer all servicing to qualifi ed service personnel. 

Servicing is required when the apparatus has been 
dam aged in any way, such as power-supply cord or plug 
is damaged, liquid has been spilled or objects have fallen 
into the apparatus, the ap pa ra tus has been exposed to 
rain or moisture, does not op er ate normally, or has been 
dropped.

Care and Maintenance

• Always use a soft cloth to clean the speaker and transmitter. Never use any product containing alcohol or other 

solvents as they may damage the surface.

• Use caution when plugging the power transformers in an AC outlet to avoid the risk of electric shock.
• If the speaker are used outside on a deck or patio, make sure you take them indoors in the event of a rainstorm to 

prevent possible damage.

• Do not operate or store the system in extreme temperatures (below 32ºF/0ºC and above 122ºF/50ºC).

Tour of the Speaker

Powering the Speaker System

Model

 AS3BK

Installation and Operation Manual

Portable 

 

   

Wireless 
Speaker

Setting Up Bluetooth Wireless

Pairing

The 

Bluetooth

-enabled device that you wish to stream audio to your speaker system must 

fi rst be paired to the speaker. The process is simple, and in most cases the pairing process 
needs to be done only once.

To pair your 

Bluetooth

-enabled device with the speaker:

Make sure your device’s 

1. 

Bluetooth

 is turned on. See the wireless and/or network settings 

menu on your device to check.

If the speaker isn’t already on, press the 

2. 

 button to turn it on. You will hear the turn on 

music to indicate the speaker is turned on. The indicator light on the top of the speaker 
starts fl ashing blue.

Open the 

3. 

Bluetooth

 settings menu on your device. Select “AR AS3BK” from the list of 

devices available (you might have to scan for devices). If your device asks for a password, 
enter “0000”.

A confi rmation screen will appear on your device once the speaker and the device are 

4. 

successfully paired. The blue indicator turns solid blue to indicate successful connection. 
The speaker is now ready for you to stream audio from your device.

Turn the volume on your device to at least 3/4 max, then start playing something on the 

5. 

device. Control the speaker volume on the speaker itself, using the /– buttons 
on the top of the speaker.

Note:

 

•  

If you notice the sound from the speaker is distorted, turn down your device’s volume.

Reconnecting 

When you turn it on, the AS3BK reconnects automatically with the last paired device. When 
you leave the 

Bluetooth

 operating range, with the AS3BK turned ON, it disconnects. When 

you come back into the 

Bluetooth

 operating range, press the Pair button to reconnect to the 

last paired device. The successfully paired music will sound once it has been successfully 
connected.

For PLUGGABLE EQUIPMENT, the socket-outlet shall 

be installed near the equipment and shall be easily 
accessible.

The apparatus shall not be exposed to dripping or 

splashing or placed near objects fi lled with liquids.

Top panel 

Power and Pairing indicator 

shows the status of 

the speaker. 

Blue, slow blinking:

 The speaker is on but not paired 

or connected.

Blue, fast blinking: 

The speaker is in 

Bluetooth

 

pairing mode. See the 

Bluetooth

 Setup section for more 

information.

Solid blue:

 The speaker is paired with a 

Bluetooth

-

enabled device or the auxiliary audio input is 
connected.

 

button

 turns the speaker on and off. 

+/–

 buttons adjust the speaker’s volume level.

Pair button (Press and hold for 3 seconds) 

puts the speaker in pairing mode for 

Bluetooth

 setup 

(press and hold for 3 seconds). It also performs a fast 
reconnect with devices that have lost connection (press 
and release). See the 

Bluetooth

 setup section for more 

information

Bottom panel 

Battery Compartment Cover 

remove to install 8 

AA batteries.

Back panel 

AUX IN

 connects directly to your MP3 player, 

smartphone, or other portable audio device, using the 
3.5mm audio in cable provided. 

DC In

 receives the small round end of the included 12V 

DC 1000mA AC power adapter; remove the protective 
cover to insert the adapter.

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