SHENZHEN YUXINXIN ELECTRONICS CO. FM8898 User manual

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WIRELESS STEREO HEAD
PHONES
USER MANUAL
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FM8898 WIRELESS STEREO HEADPHONES
USER MANUAL

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WIRELESS STEREO HEAD
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USER MANUAL
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Introduction
Thank you for buying our Wireless stereo headphones! This manual
will help you install it properly.
Features
• Wireless headphones with microphone built-in into the receiver
• High-quality sound within up to 1 meters distance
• The latest UHF/RF wireless technology
• Several headphones can be used simultaneously with one
transmitte

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Speci ications
* System: UHF/RF
* Carrier frequency: 915.5, 916, 916.5 MHz
* Sound: stereo
* Transmit power: < 1 mW
* S/N ratio: ≥ 55 dB
* Channel separation: ≥35 dB
* Distortion: ≤1%
* Operation distance: up to 1 m in the open air
* Frequency response: 25 Hz - 2 , Hz
* Microphone: built-in into the transmitter, working distance at least 3 m
* Transmitter power supply: 5V DC, 2 mA
* Headphones power supply: 2 pcs x AAA battery

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Package contents
• Wireless headphones
• Signal transmitter
• AC-DC power adaptor
• Stereo audio cable 2xRCA female to 3.5 mm audio socket, .6 m
• Stereo audio cable male to 3.5mm connector, 1. m
• Stereo audio input cable, 1. m
• User manual

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Installing the Transmitter
Insert the external power adaptor into the DC Input Terminal socket
on the rear panel of the transmitter.
Then insert the audio cable of transmitter into the AUDIO-OUT
socket of any audio source (such as TV, PC, DVD, CD,MP3...)

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Using Stereo Headphone
Two batteries ( AAA/1.5V) must be placed into the battery box of the
receiver(Headphone), ensuring that the positive and negative terminals of
the batteries are inserted correctly.
The headphone could receive sound signal from the transmitter or
other audio device via the audio cable packaged together.
Audio In

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Wireless headphones
 Insert audio cable of the transmitter into the AUDIO-OUT
socket of the electrical device, and move the function switch of the
transmitter to CH1/CH2/CH3 position accordingly.
 Turn on the power switch (ON/OFF) on receiver, the power
indicator of receiver will go on. the sound sent from transmitter should
be heard. If the sound is poor, you can press the SCAN button to delect
the right channel.
Turning O the Unit
When the unit is not in use, set the function switch of the transmitter
to OFF position, then turn the power switch of the headphone to OFF
position. The power indicator of the transmitter and headphone will then
go off. When the unit is not used for a long time, take out the batteries.

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Special eatures
• Double PLL and MCU System
Not only transmitter but also the wireless headphone is equipped
with a Phase Lock Loop (PLL) and Micro Computer system providing the
ultimate in transmission and reception frequency stability
• Active Noise Reduction Technology
We can listen to more clear sound with analogue FM wireless
headphone by virtually eliminating the background "hissing" noise that is
sometimes noticeable during silent pauses and quiet passages.
• Auto Tuning for Headphone
The headphone will automatically tune to the transmitter by turn on
the power of the headphone of the headphone.

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FCC warning
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.
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 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

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• to which the receiver is connected.
• - Consult the dealer or an experienced radio/TV technician for
help.
Any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate this
equipment.