JBL Charge 4 Bass Boost Explained

You can adjust the low frequency response of the JBL Charge 4, by turning on and off its bass boost mode. Now when ON, bass boost makes the passive radiators at each end of this speaker vibrate a lot more.  Plus it adds a decidedly “thumpy” quality to the content playing. But when OFF, you … Continue reading JBL Charge 4 Bass Boost Explained



How to Charge JBL Charge 4 Speaker

You can recharge the JBL Charge 4 portable speakers through their hidden USB charging connections. To summarize how to charge the JBL Charge 4 : First, choose a right sized USB power adapter. Next, connect the Black USB-C cable included with the speaker between the Charge 4 and the power adapter you’re using. Next, plug … Continue reading How to Charge JBL Charge 4 Speaker



JBL Charge 4 Charging Time

The usual JBL Charge 4 charging time is discussed in this piece. You charge the Charge 3 JBL Bluetooth speakers via the USB-C charge port behind the protective door on the back of the unit. And to get the quickest charge time and fullest charge when the power bank battery inside runs low, be sure … Continue reading JBL Charge 4 Charging Time