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What is the principle of the newly bought speaker maintenance? Will the effect improve?

A boiling machine is similar to the running-in period of a car.

Power amplifier is a disadvantage of improving the cold feeling of music, which can make the sound more mellow. The characteristic of power amplifier is that the hot engine is more resistant to hearing than the cold engine. But the power consumption has increased.

The audio machine is to improve the frequency characteristics of the speaker, and the bass unit is to improve the fluency and make the bass deep and powerful, but the low-frequency sensitivity is increased.

The method of boiling machine is to have a special sound source (such as a disc), or you can drive the bass unit with a 5v AC transformer for several hours, so the sine wave will not be so harsh.