How to Adjust the Bass Level on the BS-3?

You can adjust the BASS (low‑frequency) level in either of the following ways:

1. 1. Using the Remote Control
   Press the Gain Type button to select BASS mode, then press Gain Level + to increase the bass level or Gain Level – to decrease it.
2. 2. Using the Equalizer Roller on the Unit
   Short‑press the Equalizer Roller button to select BASS mode, then use + / – on the Equalizer Roller to adjust the level.

Note: BASS is the low‑frequency option under Gain Type, alongside MID and TREBLE.

For more details about the information, please kindly refer to this article: https://support.ultimea.com/hc/en-us/articles/58345010280473-Button-Indicator-Light-Description-of-Bookself-Speakers

If you have any questions or demands, please feel free to contact us at support@ultimea.com.