Radio Shack 330281R 900MHz Stereo Analog Wireless Headphones (Receiver) User Manual
RadioShack Corporation 900MHz Stereo Analog Wireless Headphones (Receiver)
User Manual
THE PERFORMANCE YOU NEED
TM
Wireless Stereo Headphones
User’s Guide 33-281
Please read this user’s guide before using your new
headphones.
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45
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2 Install batteries
1. Remove the battery compartment
cover on the left ear cup.
2. Insert three AAA alkaline
or rechargeable batteries
(neither included), matching
the polarity symbols (+ and –)
marked inside.
3. Switch ALK/RCH to ALK
for alkaline or RCH for
rechargeable batteries.
4. Replace the cover.
w Warning: Never install alkaline batteries with the
ALK/RCH switch set to RCH. Alkaline batteries can get hot
or explode if you try to recharge them.
b Battery Notes:
Dispose of old batteries promptly and properly. Do not
burn or bury them.
Use only fresh batteries of the required size and
recommended type. Do not mix old and new batteries
of different sizes or types.
If you do not plan to use the headphones for an
extended time, remove the batteries. Batteries can
leak chemicals that can damage electronic parts.
When the power LED on the headphones blinks,
replace your alkaline batteries or charge the
rechargeable batteries.
AAA
AAA
ALK/RCH
AAA
Package contents
Stereo headphonesTransmitter
AC adapter3-foot (91.4cm) RCA cable
1/8“ (3.5mm) phono
adapter
1/4“ (6.3mm) adapter
User’s GuideQuick Start
Features
150-foot (45.72m) wireless range (based on line-of-
sight operation)
Padded earcups and adjustable headband for comfort
Transmitter also charges the headphones when
rechargeable batteries are used
1 Connect transmitter
1. Connect the transmitter to your audio source using
the included RCA cable, matching the colors to your
output jacks. If needed, use the included ¹/8“ or 1/4“
adapters.
2. Connect the AC adapter to the transmitter and plug
into a standard power outlet.
Volume
Charging
connectors
Adjustable
headband
On/Off
Turn the transmitter
on or off.
Power
On/Off
AUDIO
IN L/R
DC 12V Power LED
Lights red when the
transmitter is turned on.
Lights blue when
charging.
Power LED
Lights when the
headphones are
turned on.
Back View of
Transmitter
Front View of
Transmitter
3 Charge rechargeable
batteries (optional)
1. Turn off the headphones.
2. Make sure rechargeable batteries are installed and
ALK/RCH is set to RCH.
3. Dock your headphones on the transmitter in the direction
as shown. The LED on the transmitter lights blue.
4. Remove the headphones from the transmitter after
charging.
n Note: Charge for at least 20 hours when using new
rechargeable batteries for the first time.
Recycle your old rechargeable batteries at one of the
many collection sites in the U.S. and Canada. To find
the site nearest you, visit www.call2recycle.org or call
toll-free 1-877-2-RECYCLE.
R
L
Power LED
Lights blue when charging.
Charging starts when charging
connectors on the headphones and
transmitters are well connected.
Audio Out ¹/8” Stereo
Headphone
Jack
¼” Stereo
Headphone
Jack
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© 2009. Ignition L.P. All rights reserved.
Auvio is a trademark used by Ignition L.P.
08A09
33-281
Get more from your audio and video equipment. See what
you’ve been missing. With Auvio, you control the experience.
Auvio was established by a group of technophiles to provide
high quality audio and video products without the high sticker
price. The Auvio philosophy is for you to experience audio
and video as it was intended to be: pure and distortion free.
We know electronics can be intimidating. Auvio simplifies
your experience by providing the right products, with the
right specs, to work with your equipment.
Be confident about your purchase: your new Auvio product
incorporates the latest technology, is built to the highest
quality standards, and reduces environmental impact by
complying with RoHS environmental restrictions.
Protect the environment by recycling used electronics. Go to
E-CyclingCentral.com to find an electronic recycling center near you.
4 Use your headphones
Select a location which provides the best performance.
1. Press 1to turn on the transmitter. The power LED
lights red.
2. Slide Power On/Off to On to turn on the headphones.
The power LED lights red.
3. Set the headphone volume to minimum.
4. Turn on the audio source, and gradually increase the
volume to a comfortable level.
nNotes:
Place your transmitter away from strong light; avoid
pointing it at a window where sunlight might prevent
optimum reception.
Remove objects between the transmitter and
headphones.
To preserve battery life, be sure to turn off the
headphones when you are not using them.
wCAUTION: Do not connect the transmitter to your
audio source’s speaker output. Doing so could damage the
transmitter and audio source.
Listening Safely
Set the headphone volume to the lowest setting
before listening. After you begin listening, adjust the
volume to a comfortable level.
Do not listen at extremely high volume levels.
Extended high-volume listening can lead to permanent
hearing loss.
If you connect the transmitter to an audio source
headphone jack, set the audio source’s volume to
the middle position. Then adjust VOLUME on the
headphones to the desired level.
Turn off the headphones before turning off the
transmitter. This prevents you hearing a loud click that
may be generated when you turn off the transmitter.
Specifications
Transmitter:
Carrier Frequency ......................................911.4 and 915.6 MHz
Power Source ................................12V DC, 250 mA AC Adapter
Modulation Method ............................................FM Modulation
Receiver:
Sensitivity ................................................ <2µV (with 20 dB S/N)
S/N Ratio (@-50dBm) ...................................... >60 dB (A weight)
Audio Distortion .................................................................. <2%
Max. Audio output ............................................................ 8 mW
Channel Separation ........................................................... >45dB
Operation Distance .................................up to 150 feet (45.72m)
Power requirement .......3 AAA alkaline or rechargeable batteries
................................................................................(not included)
Overall Frequency Response ....................................80Hz-20KHz
Specifications are subject to change and improvement without
notice. Actual product may vary from the product images in this
document.
FCC Information
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 particu-
lar 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.
Changes or modifications not expressly approved by Ignition L.P. may cause
interference and void the user’s authority to operate the equipment.
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 interfer-
ence, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
Limited Warranty
Ignition L.P. warrants this product against defects in materials and work-
manship under normal use by the original purchaser for ninety (90) days
after the date of purchase. IGNITION L.P. MAKES NO OTHER EXPRESS
WARRANTIES.
This warranty does not cover: (a) damage or failure caused by or attribut-
able to abuse, misuse, failure to follow instructions, improper installation or
maintenance, alteration, accident, Acts of God (such as floods or lightning),
or excess voltage or current; (b) improper or incorrectly performed repairs
by persons who are not a Ignition L.P. Authorized Service Facility; (c)
consumables such as fuses or batteries; (d) ordinary wear and tear or
cosmetic damage; (e) transportation, shipping or insurance costs; (f) costs
of product removal, installation, set-up service, adjustment or reinstallation;
and (g) claims by persons other than the original purchaser.
Should a problem occur that is covered by this warranty, take the product
and the sales receipt as proof of purchase date to the place of purchase.
Ignition L.P. will, at its option, unless otherwise provided by law: (a) repair
the product without charge for parts and labor; (b) replace the product
with the same or a comparable product; or (c) refund the purchase price.
All replaced parts and products, and products on which a refund is made,
become the property of Ignition L.P. New or reconditioned parts and
products may be used in the performance of warranty service. Repaired or
replaced parts and products are warranted for the remainder of the original
warranty period. You will be charged for repair or replacement of the
product made after the expiration of the warranty period.
IGNITION L.P. EXPRESSLY DISCLAIMS ALL WARRANTIES AND CONDI-
TIONS NOT STATED IN THIS LIMITED WARRANTY. ANY IMPLIED WAR-
RANTIES THAT MAY BE IMPOSED BY LAW, INCLUDING THE IMPLIED
WARRANTY OF MERCHANTABILITY AND, IF APPLICABLE, THE IMPLIED
WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE, SHALL EXPIRE
ON THE EXPIRATION OF THE STATED WARRANTY PERIOD.
EXCEPT AS DESCRIBED ABOVE, IGNITION L.P. SHALL HAVE NO
LIABILITY OR RESPONSIBILITY TO THE PURCHASER OF THE PRODUCT
OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY LIABILITY,
LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR
PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH
OF THIS WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES
RESULTING FROM INCONVENIENCE AND ANY LOSS OF TIME, DATA,
PROPERTY, REVENUE, OR PROFIT AND ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF IGNITION L.P.
HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Some States do not allow limitations on how long an implied warranty lasts
or the exclusion or limitation of incidental or consequential damages, 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 to State. You may contact Ignition L.P. at:
Ignition L.P., 3102 Maple Ave. Suite 450, Dallas, TX 75201 02/09
For product support, call
1-866-315-0426
Printed
in China
AO0380AAA1
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