1. Not only do iPhone and Android phones have different audio connection effects, but also different brands of Android phones have different audio connection effects. Because the decoding module, operational amplifier module and audio module of these devices are various, the effect is bound to be different.

2. Music playing software and sound processing tools in mobile phones also have great influence on sound quality.

3, a few simple steps, the phone turned into a fever-level high sound quality _ Baidu experience:

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No matter how good the sound quality is, the mobile phone can't beat the professional MP3 player. It is said that Apple engineers also use iPod to listen to songs (with good sound quality).

5.Hifiman HM700 high version is used to listen to sesame songs, which balances the interface output. So far, the original earphone (balanced interface earphone) has not been found.