Looks like that the flip 6 will have equalizer in the jbl app : r/JBL
JBL Portable - Apps on Google Play
JBL Charge 5 | Portable Waterproof Speaker with Powerbank
What's with the JBL apps? Just brought home a new Extreme 2 and apps either can't find speaker and/or have no functionality. Yes, I did the update : r/ JBL