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



JBL Charge 4 Change Name, Rename

When you scan for in-range Bluetooth speakers on a phone, desktop computer, or tablet, your JBL Charge 4 speaker shows up as “JBL Charge 4” by default. That is, its default Bluetooth name is, “JBL Charge 4”. But you can change this name using the JBL Connect app along with an iOS or Android mobile … Continue reading JBL Charge 4 Change Name, Rename



JBL Charge 4 Firmware Update Instructions

Here are our JBL Charge 4 firmware update instructions.  This routine can take up to thirty minutes to finish, depending on the speed of your WiFi connection, how fact your mobile device runs, and so on.  Plus, you can’t reverse once done.  That is, you won’t be able to return to the prior firmware version … Continue reading JBL Charge 4 Firmware Update Instructions



How to Pair JBL Charge 4 with Alexa Echo

This post demonstrates how to pair JBL Charge 4 with Amazon Alexa Echo and Echo Dot speakers. These instructions include the all Bluetooth (BT) compatible Echo smart speakers. And, since this pairing occurs right between the Charge 4 and the Echos, you need not turn BT on in the mobile device you’re using to create … Continue reading How to Pair JBL Charge 4 with Alexa Echo



JBL Charge 4 Hard Reset Instructions

These JBL Charge 4 hard reset instructions show how to hard reset your JBL Charge 4 Bluetooth speaker.  Resetting puts the speaker back into its default factory state. Plus, it wipes any earlier paired Bluetooth devices from memory, and so, stops the speaker from pairing to any nearby Bluetooth devices after the reset. Also, hard … Continue reading JBL Charge 4 Hard Reset Instructions



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



How to Adjust Volume on JBL Charge 4

There are a few ways for how to adjust volume on JBL Charge 4 BT speaker. These depend on the app(s) you’re playing from mostly. Indeed many apps offer volume adjustment controls. But this speaker has two buttons for volume control as well. Find these (the + and -) buttons on its top side. Note … Continue reading How to Adjust Volume on JBL Charge 4



JBL Charge 4 Blinking Red Light, How to Fix

Many JBL speakers, including the Charge 4 model, have a blinking red light when the battery is almost out of power. In the case of this speaker, we find this lamp in the battery gauge on the speaker’s base, in the front. Sometimes though, this red light blinks for long periods as you play the … Continue reading JBL Charge 4 Blinking Red Light, How to Fix



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…