What's wrong with the video sound of Desheng Radio?

1. Speaker failure: If the speaker is damaged or aged, resulting in sound distortion, the equipment will not work normally.

2. Power amplifier failure: The power amplifier of Desheng 9 10 FM radio may fail, resulting in sound distortion and equipment failure.

3. Power failure: If Desheng 9 10 FM radio is powered off, the voltage may be unstable, resulting in sound distortion and equipment failure.

4. Circuit board connection problem: If the circuit board is poorly connected, it may also lead to sound distortion and the equipment is not easy to use.