B L U ETOOTH SPEAKE R
1. AUX IN
2. LINE IN
4. INPUT MODE
6. POWER ON/OFF
! Attention:
7. POWER INDICATOR
8. BASS DIAL
9. TREBLE DIAL
10. VOLUME DIAL
11. AC POWER INPUT
Use the provided power cord to connect to a power outlet.
*Caution: Avoid using the device on the same circuit as
frequency converter-controlled devices or those with
motors (e.g., refrigerators, washing machines,
microwaves, air conditioners) to prevent noise
interference. If a separate outlet is unavailable, use a
power noise filter between the device and the outlet.
AU-4 USER MANUAL
3.5 mm Stereo Input
Connect devices like
smartphones and music
for stereo playback.
6.35mm (1/4 Inch) Stereo
Input. This supports the
input of signals from
musical instruments, such
as acoustic guitars, electric
basses, keyboards, etc.
3. RESET, PLAY/PAUSE
Reset Bluetooth Pairing: In
Bluetooth mode, push up
and hold for 3 seconds and
the speaker is ready to
connect to new device.
Music Control: In Bluetooth
Mode, push down to
pause/resume music.
UP: AUX IN mode.
MIDDLE: Bluetooth mode.
DOWN: LINE IN mode.
5. BLUETOOTH INDICATOR
Flashing Blue Light:
Indicates Bluetooth is on and
awaiting connection.
Steady Blue Light: Signifies a
successful Bluetooth
connection.
Operation: Turns the
speaker power on or off.
1. Please turn off the device
when not in use for an
extended period.
2. Turning off the device
powers down the amplifier
but does not completely
disconnect the power
source. To fully turn off,
unplug the power cord.
3. To prevent damage or
malfunction, set the volume
to the MIN position before
turning on the device.
For wireless product:
1. Wireless product may generate shortwave radio frequencies and interfere with the normal use of other electronic devices or medical equipment.
2. Turn off the product when it’s disallowed. Do not use the product in medical facilities, on airplane, at gas stations, near automatic gates, automatic
fire alarm system or other automated devices.
3. Do not use the product in the vicinity of a pacemaker within a 20cm range. The radio waves may affect the normal operation of the pacemaker or
other medical devices.
Important safety instruction
• Before using the AU-4, please read ALL the instructions.
• On receipt of product, check for any signs of physical damage arising from shipping. If any damage is visible, contact your retailer.
• Do not install this equipment in a confined or building-in space such as a bookcase or similar unit. The amp should remain in well ventilation conditions
at an open site. The ventilation should not be impeded by covering the ventilation openings with items such as newspaper, tablecloths, curtains, etc.
• WARNING: Only use attachments/accessories specified or provided by the manufacturer.
• WARNING: To reduce the risk of fire or electric shock, do not expose the amp to rain or moisture. The amp shall not be exposed to dripping or splashing.
Objects filled with liquids such as a coffee cup shall not be placed on top of the amp.
• When not in use and during movement, please take care of the power cord, e.g. tie up the power cord with cable tie. It shall be free from sharp edges
which can cause abrasion of the power cord. When put into use again, please make sure the power cord being not damaged. If any damages found,
please replace it with one s pecified by the manufacturer or with the same specifications as the original one.
• The MAINS plug is used as the disconnect device, the disconnect device shall remain readily operable.
• Excessively loud music may lead to hearing loss. Please keep the volume in a safe range.
• Correct Disposal of this product. This marking indicates that this product should not be disposed with other household wastes throughout the EU.
To prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable
reuse of material resources. To return your used device, please use the return and collection systems or contact the retailer where the product
was purchased. They can take this product for environmental safe recycling.
•
This symbol indicates that the product is a CLASS II or double insulated electrical device with no earth requirement.
• This symbol is to alert the user to the presence of un-insulated dangerous voltage within the product's enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to persons.
• This symbol is to warn the user not to disassemble the enclosure of the product and there is no user-replaceable part inside. Take the product to
an authorized service center for
repair.
Printed in China
Dongguan Platinum Audio Systems Co., LTD.
No. 2 East Industry Road, Songshan Lake National High-tech
Industrial Development Zone, Dongguan 523808 China
www.airpulseaudio.com
FCC Statement
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.
Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
Note: 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.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and
operated with minimum distance 20cm between the radiator & your body.
