Acoustic Research Speaker System AW 871 User Manual

900MHz WIRELESS STEREO SPEAKERS  
Model AW871  
Installation  
and Operation Manual  
 
I. Location of Functions  
Speaker Front View:  
Speaker Back View:  
G
D
B
A
F
E
C
D.Battery compartment cover  
E. Speaker power input jack  
F. Left/mono/right switch  
G.Carrying handle  
A.Tuning indicator light (tuned)  
B. Standby/Charging indicator  
light (stdby/chrg)  
C. Power/volume/scan control  
Transmitter Back View:  
Transmitter Front View:  
J
K
I
H
I. Transmitter power input jack  
J. Audio input cable  
H.Power indicator light  
K.Channel select switch  
Accessories:  
IMPORTANT: These power units are  
intended to be correctly inserted in a  
vertical or floor mount position.  
1
O.  
/
4” headphone adapter  
L. Transmitter AC  
power adapter  
- 12V DC  
M. Speaker AC power  
adapter (x2) - 18V DC  
N. “Y” adapter cable  
2
 
II. Connecting the Speaker System  
I. Powering the Transmitter  
Connect the small, round plug from the transmitter AC power adapter (L) to  
the transmitter power input jack (I) and plug the other end of the transmitter  
AC power adapter (L) into any standard 120V AC wall outlet.  
Note: Be sure to use the AC power  
Transmitter  
adapter rated 12V DC 100 mA.  
120V AC  
Note: There is no transmitter ON/OFF  
switch. The transmitter is designed to be  
wall  
outlet  
left plugged in and powered at all times.  
If you do not intend to use the AW871  
for an extended period of time, you may  
wish to unplug the transmitter AC power  
adapter.  
I
AC Power  
Adapter (L)  
II. Connecting to an Audio Source:  
i. Connecting to an A/V Receiver:  
1. Connect the included “Y” adapter  
Transmitter  
cable (N) to the 3.5mm mini plug  
cable coming out of the  
transmitter.  
A/V Receiver  
2. Connect the RCA-type left (white)  
Audio Output  
and right (red) audio plugs on the  
”Y” adapter cable to the  
“Y” adapter cable (N)  
Audio Input Cable (J)  
corresponding left and right audio  
outputs of your A/V receiver, amp  
or other audio source.  
ii. Connecting to a TV:  
1. Connect the included “Y” adapter  
cable (N) to the 3.5mm mini plug  
cable coming out of the  
TV  
Transmitter  
transmitter.  
2. Connect the RCA-type left (white)  
and right (red) audio plugs on the  
“Y” adapter cable to the  
Audio Output  
“Y” adapter cable (N)  
corresponding left and right audio  
outputs on the TV.  
Audio Input Cable (J)  
iii. Connecting to a Stereo or a Computer:  
Plug the cable coming out of the  
Transmitter  
transmitter into the headphone output  
Stereo  
of your stereo or the audio output jack  
1
on your computer. Use the included  
/4”  
headphone adapter (P) to convert the  
3.5mm plug to a /4” plug as needed.  
1
1/4” headphone  
adapter (O)  
Audio Input Cable (J)  
3
 
Warning: This product is designed to work with line level outputs or  
headphone outputs only. DO NOT connect it directly to speaker outputs, as  
it will permanently damage the transmitter.  
III. Powering the Speakers  
There are two options to power your wireless speakers:  
i. AC Power Adapter:  
1. Turn the speaker volume down by  
rotating the power/volume/scan  
Speaker  
control (C) on the front of the  
speaker all the way to the left.  
AC Power  
adapter (M)  
2. Insert the small, round plug from  
one speaker AC power adapter (M)  
into the speaker power input jack (E).  
3. Plug the other end of the speaker  
Speaker power  
input jack (E)  
AC power adapter into any  
standard 120V AC wall outlet.  
Note: Be sure to use the speaker  
AC power adapters rated 18V DC  
700 mA.  
1. Turn the speaker volume down by  
rotating the power/volume/scan  
control (C) on the front of a  
ii. C-cell Batteries:  
speaker all the way to the left.  
Battery  
compartment  
cover (D)  
2. Remove the battery compartment  
cover (D) on the rear of a speaker.  
3. Insert eight (8) C-cell batteries (not  
included) into the speaker  
following the polarity (“+” and  
“–”) as diagrammed inside the  
battery compartment.  
4. Replace the battery compartment  
cover.  
Important:  
If you are using NiMH or NiCd batteries, the batteries will charge when the  
headphones are powered with the AC power adapter. Do not power the head-  
phones with the AC power adapter if you installed alkaline or other non-re-  
chargeable batteries—this could cause the batteries to leak. Do not mix batter-  
ies 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.  
4
 
III. Adjusting the Transmitter  
J
K
I
H
H.Power indicator light  
I. Transmitter power input jack  
J. Audio input cable  
K.Channel select switch  
1. Turn ON your audio source (i.e., A/V receiver, TV, stereo, etc.) and play music  
at a normal listening volume.  
2. Set the channel select switch (K) on the back of the transmitter to 1, 2 or 3.  
The transmitter provides three different broadcasting frequencies. In the  
event that you experience poor reception or interference, try choosing a  
different frequency by moving the channel select switch to another position.  
5
 
IV. Tuning the Speakers  
B
A
F
C
F. Left/mono/right switch  
A.Tuning indicator light (tuned)  
B. Standby/Charging indicator  
light (stdby/chrg)  
C. Power/volume/scan control  
1. Push the power/volume/scan controls (C) to turn each speaker ON. The  
standby/charging indicators (B) will illuminate red while the speakers are  
tuning to the transmitter. The “tuned” indicators (A) will illuminate blue,  
indicating that the speakers are tuned to the transmitter, and you should  
hear sound coming from the speakers.  
Note: Once the speakers have tuned to the transmitter and the blue  
“tuned” indicators are on, the red “standby/charging” indicators will turn off.  
2. Adjust volume on each speaker as desired.  
3. For stereo operation, set the left/mono/right switch (F) to “left” on the  
speaker located to the left of the listener, and set the other speaker to  
“right” position. Set each speaker to “mono” for the best audio quality, if  
you plan on using one speaker in a different room from the other.  
4. The speaker will automatically retune if it loses the signal from the  
transmitter. However, you can also push the power/volume/scan control to  
retune the speaker at any time. While the speaker is tuning, the blue  
“tuned” indicator will turn off and the red “standby/charging” light will be  
lit. After locking onto the transmitter signal, the blue “tuned” indicator will  
come back on and the red “standby/charging” indicator light will turn off.  
Note: Interference in the form of static and/or distortion can sometimes  
be heard. If this occurs, confirm the transmitter/speaker adjustments and  
indicators. If the problem persists, refer to the Troubleshooting section  
of this manual.  
6
 
V. Turning the Speakers Off  
1. Push and hold the power/volume/scan control (C) to turn each speaker OFF.  
You will need to hold the control for about 1.5 seconds for the speaker to  
turn off.  
2. Confirm that the speaker is off by verifying that the red “standby/charging”  
light and the blue “tuned” light are off.  
Note: If rechargeable batteries are installed (NiMH or NiCd only) and the  
speakers remain plugged in via the AC power adapters, the left  
“standby/charging” indicator light will glow green, even after the  
speakers have been turned off, indicating that the rechargeable batteries  
are being charged.  
VI. Recharging the Batteries  
The speaker will automatically charge the rechargeable batteries when the  
batteries are installed and the speaker is plugged in with the AC power adapter.  
The “standby/charging” indicator (B) will light up green to confirm that the  
batteries are being charged.  
Warning: The AW871 built-in charger will charge rechargeable NiMH or  
NiCd batteries only. DO NOT attempt to charge any other batteries except  
those specified above.  
Warning: If alkaline or other non-rechargeable batteries are installed, DO  
NOT plug in the speakers using the AC power adapters. This can cause the  
batteries to leak and damage the speakers. Only use rechargeable batteries if  
you intend to keep the speakers plugged in.  
VII. More Helpful Information  
i. About Fixed-Level Audio Outputs:  
A fixed-level, or line-level audio output is considered ideal since it provides  
an audio signal unchanged by adjustments to the audio source (stereo, etc.)  
volume control.  
Hint: Fixed-level audio outputs from stereo receivers/amps will typically be  
designated as Tape, Tape 1, and Tape 2 outputs, or VCR audio output  
connections.  
These outputs are frequently marked on A/V equipment as ‘TAPE OUTPUT,’  
‘TAPE OUT,’ ‘TAPE REC, or ‘TAPE RECORD or REC OUT.’  
Please note: Jacks labeled PHONO, CD, LD, DVD or tape or VCR playback  
(PB) are INPUTS and will not work with the transmitter.  
7
 
Fixed-level outputs from TVs are usually marked as ‘Constant,’ ‘Fixed,’ or  
‘Select.’ If they are not marked as such, they are probably variable outputs (see  
“About Variable-Level Audio Outputs” below). Outputs from VCRs are almost  
always fixed.  
Hint: When connecting to the audio outputs of a VCR, remember that the  
VCR must be playing a tape or showing a TV channel for sound to be  
produced.  
Hint: If your VCR (or other audio source with RCA jacks) only has a single  
audio output, you will need another RCA “Y” cable. It differs from the “Y”  
Cable Adapter included with these speakers. It will have a single male RCA  
plug and 2 female RCA jacks. Connect the dual RCA plugs from the  
included “Y” cable adapter to the 2 female RCA jacks on the second “Y”  
cable, and then connect the single male RCA plug of the second “Y” cable  
to the single audio output of the VCR.  
ii. About Variable-Level Audio Outputs:  
A variable-level output, such as a headphone jack or certain RCA-type outputs,  
provides an audio signal that changes with the volume level set on the  
audio source (stereo, etc.). As the volume of the audio source is adjusted up  
and down, so is the audio signal strength sent to the transmitter. This can  
affect the quality of sound generated by the speakers, and may require an  
adjustment of the volume level of the audio source to produce a signal strong  
enough for the transmitter.  
Hint: On most bookshelf-type or compact stereo systems, inserting a  
headphone plug into the headphone jack results in automatic cutoff of the  
regular, or hard-wired speakers.  
Hint: Most TVs, regardless of age or price, have variable outputs. If you are  
unsure which of your TV audio outputs is fixed, refer to the TV instruction  
manual. Some TVs have outputs that can switch between variable and  
fixed. When given a choice, fixed is always recommended.  
8
 
VIII. Troubleshooting  
The following troubleshooting guide takes you through some of the more  
common problems associated with the installation and/or operation of a wireless  
system. If the problem persists, please call 1-800-732-6866 and a knowledgeable  
customer service representative will assist you.  
Cause and solution:  
Issue:  
• Check that the transmitter AC power adapter is fully inserted into the wall  
outlet and the power cord from the AC adapter is firmly connected to the  
transmitter power input jack.  
No  
sound  
• Confirm that the speakers are turned ON and tuned to the transmitter –  
the blue “tuned” indicator light should be glowing steadily.  
• Confirm that the speaker AC power adapters are fully inserted into the wall  
outlet and the power cord from each AC power adapter is firmly  
connected to the speaker power input jack.  
or  
• Check that the C-cell batteries are fresh and inserted with correct polarity  
(+, –).  
• Check that the audio source component (stereo, TV, etc.) is turned on and  
transmitting sound as it normally should.  
• Check that the speaker volume is turned up.  
• If you are using a Tape 2 Monitor output from your receiver/amp as the  
audio output, check that you have pressed the Tape Monitor/Tape 2  
button on the front of the receiver. This will turn on the Tape 2 outputs,  
which may not have been active.  
Cause and solution:  
Issue:  
When using battery power, make sure the batteries are fresh and replace  
if necessary.  
No  
sound/  
distortion/  
static  
Check that the speaker “tuned” indicator light is illuminated blue.  
Change the position of the channel select switch (1, 2 or 3) to change the  
operating frequency. The speaker will detect the loss of signal and  
retune automatically. However, you can also press the power/volume/scan  
control once to make the speaker retune.  
Change the location of the transmitter. Place it as high and away from  
obstructions as possible. Avoid placing the transmitter directly on top of or  
behind a TV.  
Move the transmitter and speakers closer together. Sending the signal  
through certain materials, such as glass, tile, and metal, can decrease the  
effective transmitting distance of the system.  
9
 
IX. Specifications & Features  
Transmitter  
Omnidirectional  
Effective transmitting range: up to 300 feet*  
3 selectable broadcast frequencies (between 912.5 and 914.5 MHz)  
1
Line audio input with 3.5mm stereo mini plug (  
“Y” cable included)  
/
4" headphone adapter and  
UL-listed AC power adapter  
Speakers  
Push-button, auto-lock tuning  
10 Watts per channel RMS (each speaker)  
Two-way acoustic suspension design  
1" dome tweeter; 4" woofer  
Integrated power/tuning/volume control (front face)  
Left/mono/right switch (rear face)  
Frequency response: 20Hz - 20kHz  
Signal-to-noise ratio > 55dB  
Stereo separation > 20dB  
Distortion: < 1.5%  
*Maximum range; results may vary according to environment.  
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.  
Changes or modifications not expressly approved by the party responsible for  
compliance could void the users authority to operate the equipment.  
Features and specifications subject to change without notice.  
10  
 
X. Warranty  
12 MONTH LIMITED WARRANTY  
Audiovox Electronics Corporation (the “Company”) warrants to the original retail  
purchaser of this product that should this product or any part thereof, under normal use  
and conditions, be proven defective in material or workmanship within 12 months from  
the date of original purchase, such defect(s) will be repaired or replaced (at the Company’s  
option) without charge for parts and repair labor. To obtain repair or replacement within  
the terms of this Warranty, the product along with any accessories included in the original  
packaging is to be delivered with proof of warranty coverage (e.g. dated bill of sale),  
specification of defect(s), transportation prepaid, to the Company at the address shown  
below. Do not return this product to the Retailer.  
This Warranty is not transferable and does not cover product purchased, serviced or used  
outside the United States or Canada. The warranty does not extend to the elimination  
of externally generated static or noise, to costs incurred for the installation, removal or  
reinstallation of the product. The warranty does not apply to any product or part thereof  
which, in the opinion of the company, has suffered or been damaged through alteration,  
improper installation, mishandling, misuse, neglect, accident or exposure to moisture.  
This warranty does not apply to damage caused by an AC adapter not provided with the  
product, or by leaving non-rechargeable batteries in the product while plugged into an AC  
outlet.  
THE EXTENT OF THE COMPANY’S LIABILITY UNDER THIS WARRANTY IS LIMITED TO  
THE REPAIR OR REPLACEMENT PROVIDED ABOVE AND, IN NO EVENT, SHALL THE  
COMPANY’S LIABILITY EXCEED THE PURCHASE PRICE PAID BY PURCHASER FOR THE  
PRODUCT. This Warranty is in lieu of all other express warranties or liabilities. ANY IMPLIED  
WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS  
FOR A PARTICULAR PURPOSE, SHALL BE LIMITED TO DURATION OF THIS WARRANTY.  
ANY ACTION FOR BREACH OF ANY WARRANTY HEREUNDER, INCLUDING ANY IMPLIED  
WARRANTY, MUST BE BROUGHT WITHIN A PERIOD OF 24 MONTHS FROM THE DATE  
OF ORIGINAL PURCHASE. IN NO CASE SHALL THE COMPANY BE LIABLE FOR ANY  
CONSEQUENTIAL OR INCIDENTAL DAMAGES WHATSOEVER. No person or representative  
is authorized to assume for the Company any liability other than expressed herein in  
connection with the sale of this product. Some states/provinces do not allow limitations  
on how long an implied warranty lasts or the exclusion or limitation of incidental or  
consequential damage so the above limitations or exclusions may not apply to you. This  
Warranty gives you specific legal rights and you may also have other rights which vary  
from state/province to state/province.  
U.S.A.: Audiovox Electronics Corporation, 150 Marcus Blvd., Hauppauge, New York 11788  
CANADA: Audiovox Return Center, c/o Genco, 6685 Kennedy Road, Unit 3, Door 16,  
Mississauga, Ontario L5T 3A5  
© 2007 Audiovox Accessories Corporation  
111 Congressional Blvd., Suite 350  
Carmel, IN 46032 USA  
AD_39363  
06/07  
MADE IN CHINA  
11  
 

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