Welcome to this step-by-step guide on how to activate the BassUp feature on your H30i headphones. The BassUp technology enhances your audio experience by delivering powerful, deep bass.  

Press the '▶II' button three times in a row, the device will switch from the current EQ to the BassUp EQ. Pressing it three times again will return to the previous EQ.

If you encounter any other issues or your issue has not been resolved, please contact us for further assistance.