StarTech.com MP3AUDIOEXT User manual

MP3 Airlink
MP3AUDIOEXT Instruction Manual
Actual product may vary from photo
Wireless MP3 Audio Transmitter and Receiver

FCC Compliance Statement
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.
Use of Trademarks, Registered Trademarks, and other
Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and other
protected names and/or symbols of third-party companies not related in any way to
StarTech.com. Where they occur these references are for illustrative purposes only and
do not represent an endorsement of a product or service by StarTech.com, or an
endorsement of the product(s) to which this manual applies by the third-party company in
question. Regardless of any direct acknowledgement elsewhere in the body of this
document, StarTech.com hereby acknowledges that all trademarks, registered
trademarks, service marks, and other protected names and/or symbols contained in this
manual and related documents are the property of their respective holders.

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Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Instruction Manual
i

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Thank you for purchasing a StarTech.com Wireless MP3 Audio Transmitter and Receiver.
If you want to use your computer, iPod, or MP3 player with your home stereo or speaker
system, the MP3AUDIOEXT is the perfect way to do it without worrying about wiring.
Using a simple wireless Transmitter and Receiver, you can connect your speakers,
portable stereo, receiver, or amplifier to any audio source that uses a standard 3.5mm
audio headphone jack. With a small footprint and no software to configure, this product
is easy to setup and won’t intrude on your workspace.
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• Connects an audio source to one or more receivers wirelessly
• 8 selectable wireless channels for excellent clarity
• Easy setup: no software to install or configure
• Small footprint uses a minimal amount of space
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System Requirements
• A MP3 player, iPod, computer, or other audio source with a 3.5mm headphone “audio
out” jack
• Speakers, amplifier, receiver, stereo or other audio device
Contents
This package should contain:
• 1 x Transmitter
• 1 x Receiver
• 2 x Power supplies
• 1 x 3.5mm to 3.5mm audio cable
• 1 x 3.5mm to RCA audio cable
Instruction Manual
1

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1. Connect one end of the 3.5mm to 3.5mm audio cable to the speaker output of your
MP3 player, iPod, computer, or other audio source. Connect the other end of the cable
to the "AUDIO IN" jack on the Transmitter.
2. Connect one of the power supplies to the Transmitter and plug it into an electrical
outlet or other suitable power source.
3. Connect the two RCA ends of the 3.5mm to RCA audio cable to an unused pair of
inputs on your stereo amplifier, speakers, receiver, portable stereo, or other audio
output device. Connect the other end of the cable to the "AUDIO OUT" jack on the
Receiver.
4. Connect one of the power supplies to the Receiver and plug it into an electrical outlet
or other suitable power source.
5. Adjust the output volume of your audio device to about 50%. Start playback of the
song(s) you want to hear.
6. Set your audio output device to the audio input you connected the Receiver to. You
should hear the music being played from your computer.
7. If needed, press the button on the top of the Transmitter to change broadcast
channels for better sound quality. There are 8 channels.
Note: This device operates at a frequency of 2400 ~ 2483.5 MHz, which may conflict with
nearby cordless phones or wireless routers running at similar frequencies. To avoid
signal interference between the two devices, change broadcast signals on the MP3Airlink
accordingly. Failing this, please refer to the documentation included with your cordless
phone or wireless router for information on how to change the channel frequency on your
wireless router or cordless phone.
Instruction Manual
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Specifications
Instruction Manual
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Feature Transmitter Receiver
Supply voltage 3.6 ~ 5 V DC 3.6 ~ 5 V DC
Current consumption 100 mA (typical) 130 mA (typical)
Operating temperature 14 ~ 140 deg. F. (-10 ~ 60 deg. C.) 14 ~ 140 deg. F. (-10 ~ 60 deg. C.)
Frequency range 2400 ~ 2483.5 MHz 2400 ~ 2483.5 MHz
Modulation FSK (Modulation index 0.5)
Number of channels 8 8
Channel spacing 9 MHz 9 MHz
Channel frequency 2410, 2419 ~ 2473 MHz 2410, 2419 ~ 2473 MHz
Frequency stability +/- 100 KHz +/- 100 KHz
Transmit power +10 dBm for CE (typical)
0 dBm for FCC (typical)
Input impedance >10K Ohm
Input level 4Vp-p (max)
Receive sensitivity -85 dBm (min.)
Adjacent channel rejection >45dB @ +/- 5 MHz offset
the channel frequency
Image rejection >25dB @ the image frequency
Output impedance < 1 KOhm
Output level 3.4Vp-p (max)
Response 20 ~ 20 KHz, -1dB
Dynamic range 92db (typical)
Separation 80dB (typical)
S/N ratio 87dB (typical)
THD 0.1% (typical)
Power supply Input: AC 120V @ 60HZ
Output: DC 9V, 200 mA (tip is center positive)

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StarTech.com’s lifetime technical support is an integral part of our commitment to provide
industry-leading solutions. If you ever need help with your product, visit
www.startech.com/support and access our comprehensive selection of online tools,
documentation, and downloads.
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This product is backed by a one-year warranty. In addition, StarTech.com warrants its
products against defects in materials and workmanship for the periods noted, following
the initial date of purchase. During this period, the products may be returned for repair, or
replacement with equivalent products at our discretion. The warranty covers parts and
labor costs only. StarTech.com does not warrant its products from defects or damages
arising from misuse, abuse, alteration, or normal wear and tear.
Limitation of Liability
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their
officers, directors, employees or agents) for any damages (whether direct or indirect,
special, punitive, incidental, consequential, or otherwise), loss of profits, loss of business,
or any pecuniary loss, arising out of or related to the use of the product exceed the
actual price paid for the product.
Some states do not allow the exclusion or limitation of incidental or consequential
damages. If such laws apply, the limitations or exclusions contained in this statement
may not apply to you.
Instruction Manual
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Revised: 31 January 2006 (Rev. B)
About StarTech.com
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Parts”. Since 1985, we have been providing IT professionals with the
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Visit www.startech.com for complete information about all our products
and to access exclusive interactive tools such as the Parts Finder and the
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