Even the best speakers in smartphones struggle to produce even a relatively small amount of bass. Dirac, a rapidly-growing name in device audio, wants to change that with its new Dirac Bass feature. This tweak, which boosts the bass synthetically, is to be unveiled at CES 2019.
https://www.notebookcheck.net/Dirac-plans-to-bring-a-smartphone-speaker-bass-enhancer-to-CES.386036.0.html