Alexa can crank the bass on your Echo when you ask
 

Amazon is giving you more control over audio with an Alexa update that lets you adjust the equalizer and sound modes using your voice. So if you think the music you're listening to on your Amazon Echo could use a touch more low end, asking Alexa to i...

https://www.engadget.com/2018/07/23/...nd-mode-voice/