There are several reasons why a speaker has poor sound quality. It could be because of the speaker's battery, the device connected with the speaker, the audio source, and so on.

If your Soundcore Boost has poor sound quality, please try these steps:

- Confirm that Soundcore Boost is fully charged

- Reset Soundcore Boost by holding the Power button for 4 seconds

- Connect the Soundcore Boost to another device

- Try a different app or audio source

If the issue persists, please contact us at service@soundcore.com for further assistance. Make sure to mention that you have tried the listed steps so our agents do not ask you to repeat them.