You can boost the low tones with the EXTRA BASS button.

  1. Press the EXTRA BASS button.

    The EXTRA BASS indicator turns on, and bass is boosted. Press the EXTRA BASS button again to turn off the setting.

About the EXTRA BASS indicator

Lights up
You can enjoy boosted bass (Sony-recommended sound quality). This mode is set as the default setting.
Turns off
You can enjoy the natural sound quality with reduced bass. This mode is recommended when listening at low volume inside a room.


  • The current bass setting is retained when the speaker is turned off. 


  • Depending on the music, the boosted bass effects may not be so noticeable.