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Portable battery mp3 speaker with DVD/USB,SD/FM/Microphone/10inch/ 120W
Portable battery mp3 speaker with DVD/USB,SD/FM/Microphone/10inch/ 120W

(1)amplifier for active speaker (2)good reliability and heat dispersion (3)class D,A,B (4)Various performance (5)OEM ODM

WARNING:

Do not turn the volume at max when use this product at public place just like school,office etc.

After long time using the back panel will be hot,do not touch it by hand.

  TROUBLE SHOOTING:

Failure

Possible cause

NO POWER

The power line is cut off or not connected

No power om the electric outlet

NO SOUND

Wrong input,check input selector

The connect line was broken

The volume knob at lowest

ONE SPEAKER WITHOUT SOUND

Connection between master & slave unit wrong

Signal line was broken

MICROPHONE NO SOUND

The microphone not complete connected

Adjust the microphone volume

Change microphone

MICROPHONE HOWL

The microphone is too close to the speaker

Master volume adjust too big

Portable battery mp3 speaker with DVD/USB,SD/FM/Microphone/10inch/ 120W

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