Trouble shooting
If a problem occurs, follow the steps in the table below. If problem still can't be solved, please contact your
retailer.
Problem
No sound when power
on
No sound from the
microphone
No sound after inser-
ting USB/TF card
If Speaker makes loud
noises
Specifications
Input voltage
Battery
Charging time
Operation on battery
Woofers
Max. power
BT freq. band
Max. RF emission power
Weight
Dimensions
Correct disposal of the 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.
6
Possible cause
1. No input source
2. Volume down
1. Bad mic connection
2. Mic not switched on
3. Mic volume down
1. Incorrect file format
2. Bad connection of USB/TF card
1. Microphone switched on but may be
too close to the speaker
2. Microphone switched on but is not
being used.
3. Microphone volume may be too loud
4. Mobile phone is being used too close
to the speaker
5. Other wireless equipment may be
placed very close to the speaker.
BOOST-POWERSOUND290 / Code: 10-7139BO
Solution
1. Connect an AUX signal
2. Adjust volume
1. Plug in the mic properly
2. Switch mic on
3. Increase mic volume
1. File format should be MP3
2. Plug in USB/TF card properly
1. Keep the microphone 2 meters away
from the speaker
2. Turn off microphone if not in use.
3. Adjust microphone volume to lower
mode
4. Keep mobile away from the speaker
whilst attending a call.
5. Keep the speaker away from
other wireless equipment
5V 6A via the supplied USB lead
Lithium 3.7V 3600mA
5-6h
3-5h
2 x 6.5"/16cm
300W
2402-2480MHz
-0.36dBm
3.95kg
240 x 230 x 535mm
EN