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42990987 User Manual

Specications:

Model No:                          42990987

Frequency response:      100Hz-18KHz

Output:                              2 x 3W Speaker

Power supply:                   5V / 1A

Troubleshooting

No sound or poor sound

Adjust the volume.

Check that the speakers are connected correctly.

Check if the stripped speaker wires are clamped.

Disconnect and reconnect the AC power plug, then turn on the speaker again.

Important Precautions:

1.These PC speakers shall not be exposed to dripping or splashing and 

    that not objects filled with liquids, such as vases, shall be placed on the 

    speaker.

2.Minimum distances 50 cm around the apparatus for sufficient ventilation.

3.The ventilation should not be impeded by covering the ventilation opening 

   switch items,such as news papers, table-cloths or curtains.

4.No naked flame sources such as lighted candles,should be placed on the 

    apparatus.

5.The use of apparatus in moderate climates.

6.Excessive sound pressure from ear phones and headphones can cause 

   hearing loss.

7.The internal battery is non-user replaceable.

8.Do not use this apparatus near the water.

How to use this speaker:

Function Operation:
1. Connect: Connect USB power and audio connector jack to the corresponding 
    interface of the computer.
2. Play:After connecting, you can play the audio.on your computer.
3.Volume control: "+" turned up "-"turned down ;Or you can adjust the volume 
    through the computer.

Function overview:

Audio

Connector

Jack

USB 

Power

Audio socket     USB socket

Computer

Tall Desktop PC Speakers

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