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What if there is no sound from the customized speaker 4" 21w wall mount

What if there is no sound from the customized speaker 4" 21w wall mount

(Summary description)Check whether the volume knob control of the customized speaker 4" 21w wall mount power amplifier is turned off. For power amplifiers with master volume control, check whether the master volume knob is turned off.

What if there is no sound from the customized speaker 4" 21w wall mount

(Summary description)Check whether the volume knob control of the customized speaker 4" 21w wall mount power amplifier is turned off. For power amplifiers with master volume control, check whether the master volume knob is turned off.

Information

1. Check whether the volume knob control of the customized speaker 4" 21w wall mount power amplifier is turned off. For power amplifiers with master volume control, check whether the master volume knob is turned off.

customized speaker 4" 21w wall mount
2. For power amplifiers with partitions, if a customized speaker 4" 21w wall mount is connected to the partition output, check whether the partition switch is turned on.
3. Check whether the audio source input of the customized speaker 4" 21w wall mount is connected to the correct input port (in is the input port, out is the output port, the audio source device needs to be connected to the input port of the amplifier), and whether the audio source device is turned on and is playing.
4. Check whether the speaker with constant voltage input corresponds to the interface of the constant voltage output of the power amplifier (the common output methods of constant voltage power amplifiers are 70V and 100V).

What should I do if the sound of the customized speaker 4" 21w wall mount left and right channel speakers is unbalanced?

1. The sensitivity of the left and right channels of the customized speaker 4" 21w wall mount is inconsistent. You can adjust the output levels of the left and right channels to make the speakers close to the same.
2. The output power signals of the left and right channels are unbalanced, and the input and output gains of various devices on the left and right channels can be adjusted to approximately the same index value.
3. It often appears that the average volume level of the left and right channels of the sound source is different, and the sound of the two channels is unbalanced when the speaker is playing. This can be solved by adjusting the gain knob or channel fader of the input channel of the mixer to make the two-way speaker play. The average volume is about the same.

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