Mobile Speaker
A6-4
B
Operating Instructions
Please carefully read the operating instruction before using our product
Common simple faults and guidance for operation and repair
The power switch is turned on
The speaker is out of battery
Audio input is not correctly selected.
The audio cable is not connected properly
to the line input.
Main volume is switched to minimum.
No sound when playing U-disk.
No sound when playing by line input
Poor contact or damage of external audio
cable
Change the audio input by pressing the
mode button.
Reconnect the audio cable.
Properly adjust the volume knob.
Check the U-disk or the mode switch button.
Change the audio source of line input.
Readjust or change audio cable.
External microphone is not fully inserted
in the jack
The external microphone switch is not
turned on
The volume knob of microphone is off
Totally insert the microphone to the jack
Turn on the switch of wireless microphone
Properly adjust the volume knob of
microphone
The switch of wireless microphone is not
turned on
The wireless microphone is not Installed
with batteries
The sound of wireless microphone is in
distortion
External
microphone has
no sound
Turn on the power switch
Use power adaptor to charge the battery
Turn on the switch of wireless microphone
Install the batteries in the wireless
microphone
Change the battery of wireless microphone
Problems with
wireless
microphone
Speaker not power on
No sound
Fault description
Possible causes
Troubleshooting
If the above solution did not solve the issue, please contact the nearest local maintenance department. The
product technology of our company is upgraded continuously, the product descriptions in this manual are
subject to change without notice.