JBL Charge 4 Adapter Specs

The JBL Charge 4 BT speaker does not come with an AC charger adapter.  But you can recharge the speaker with just about any standard full-power USB 2 charger.  Plus, we found that the adapter that came with our Charge 3, also works well on the JBL Charge 4.  Thus that’s the adapter that we’ll … Continue reading JBL Charge 4 Adapter Specs



JBL Charge 4 Charger Details

An adequate JBL Charge 4 charger is one that supplies enough power to fully recharge this speaker in the least amount of time (around 4 hours). Note that currently, JBL does not include a USB charger with this speaker.  So, you’ll need to either have one already or buy one. Also, the speaker has a … Continue reading JBL Charge 4 Charger Details



JBL Charge 4 Charging Instructions

Follow these instructions that show how JBL Charge 4 charging via its hidden DC input charging USB-C port, discussed below. JBL Charge 4 Charging First Remarks   First, we suggest that you recharge the JBL Charge 4 with a full power USB 2.0 charger such as the JBL USB charger for Bluetooth speakers, sold separately. … Continue reading JBL Charge 4 Charging Instructions



JBL Charge 4 Reset Button, Where to Find It

Where is JBL Charge 4 reset button located? Well, this speaker has no single reset button. Instead, to hard factory reset, you press a button combination, as described next. JBL Charge 4 Reset Button Location First, on this speaker, several buttons appear across its top. Furthermore, to reset, press and hold the Volume UP and … Continue reading JBL Charge 4 Reset Button, Where to Find It



JBL Charge 4 Watts Output, Input, Battery, AC…

The Charge 4 JBL Bluetooth speaker by Harman Kardon is a moderate to medium power, desktop style unit with sufficient music watts to fill a typical size room with full sounding tunes. It also has a built in power bank for recharging light to moderate duty phones and smaller tablets. But what do the watts … Continue reading JBL Charge 4 Watts Output, Input, Battery, AC…



JBL Charge 4 Bluetooth Pairing Instructions

This post gives JBL Charge 4 Bluetooth pairing instructions, for source devices like the iPhone, iPod Touch, and the iPad line of Apple phones and tablets.  A routine with some small variation also works for Android phones and tablets. JBL Charge 4 Bluetooth Pairing Instructions With your Charge 4 JBL speaker powered off (power button … Continue reading JBL Charge 4 Bluetooth Pairing Instructions



JBL Charge 4 Software Update Instructions

Here’s our JBL Charge 4 software update instructions.  This routine can take up to thirty minutes to finish, depending on the speed of your internet link.  Plus, you can’t undo it once done.  That is, you won’t be able to return to any prior firmware version after installing a software upgrade.  So, be sure that … Continue reading JBL Charge 4 Software Update Instructions



JBL Charge 4 Specs Watts RMS

The Charge 4 JBL Bluetooth speaker by Harman Kardon is a moderate to medium power, desktop style unit with sufficient music watts in its specs to fill a typical size room with full sounding tunes. It also has a built in power bank for recharging light to moderate duty phones and smaller tablets. But what … Continue reading JBL Charge 4 Specs Watts RMS