The sound of electricity inside the machine emitted by the speaker.

1. Try changing the environment and time period.

2. Restart the Xiaomi 12pro phone, then go to Settings--More Settings--Applications--All--Find the software to clear data.

3. Enter Settings - More Settings - Restore Factory Settings - Restore all settings on Xiaomi 12pro phone. Restoring settings will not lose data.

4. Upgrade and update the system through "Settings->System Upgrade->Check for Updates Now".

5. The above are the reasons and solutions for why Xiaomi Mi 12pro always makes a buzzing sound when listening to music.