Universal type 16 physical handle length L=15MM Potentiometers, when adjusting the volume, may produce noises like "squeaking." The balance between left and right volume is not ideal, and they are prone to introducing noise. They exhibit poor resistance to harsh environments, are susceptible to poor contact, and can cause significant rotational noise, making them challenging for users to accept. In some cases, it might even startle users, with the speakers emitting loud unusual sounds. These issues can emerge over time due to aging. Replacing old potentiometers with new ones can resolve these problems. Upon receiving new potentiometers, it's advisable to test them with a multimeter to ensure the resistance values are normal before installation. After soldering, recheck for any potential soldering issues using a multimeter before proceeding with device testing and usage.
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