1, the electric guitar speaker is a special instrument speaker, can not be used to play audio to listen to music, otherwise the effect is very poor, it and the home audio is completely two different things, that is to play music. This is also the main cause of noise and low sound. If you must use it to play music, then look below.
2, the signal of the mobile phone itself causes interference to the sound. Choose offline or airplane mode.
3, the connection line live converter head has dust and other bad contact.
4, the connection line is too long to cause signal attenuation.