Here we explain how to charge the JBL Boombox 2 Bluetooth speaker. Do so by way of its hidden DC input port in the back of the unit, discussed below. How to Charge JBL Boombox 2: Summary In short, first, we suggest that you recharge the Boombox 2 with the included charger from JBL. Why? … Continue reading How to Charge JBL Boombox 2