User Manual Q&AAnswer
Apr 10, 2025 - 03:01 AM
The main causes of current acoustic noise in the amplifier board can be attributed to several factors. Firstly, it could be due to a poor power supply filter, which can result in current sound and noise. Ensure that the power supply used is of good quality. Secondly, the input signal quality may be poor, leading to abnormal noise. Check the output of the device connected to the input and ensure it is proper. Thirdly, the input cable may be of poor quality or damaged, or the wiring may be improperly connected. Check the cable and wiring for any issues. Lastly, if there are other playback devices connected to the input, they may be sharing the power supply and causing noise. Try disconnecting any additional devices to see if the noise persists.
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