You can change how loud the bass is on the JBL Boombox 1 BT speaker, by turning on and off…
Change how loud the bass is on the JBL Boombox, by turning on and off its bass boost mode. When…
You can adjust the bass response of the JBL Charge 4 speaker by turning on and off its bass boost…
You can turn ON and OFF the extra bass on the JBL Flip 3 speaker. When ON, this mode makes…