Tag: JBL Charge 4



JBL Charge 4 Pairing Instructions

This post gives JBL Charge 4 pairing instructions, to link this speaker with common source devices like the iPhone, iPod Touch, and the iPad line of Apple phones and tablets.  A routine with some small modifications also works for Android phones and tablets. JBL Charge 4 Pairing Instructions, Step by Step With your JBL Charge … Continue reading JBL Charge 4 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 Power Button Not Working Fix

When the Power button on your JBL Charge 4 is not working, this likely means one or more things.  Now in this models, one or more of the following causes may be the reason this button does not work. The button mechanisms may have sand, dirt, or other debris in them. To repair this, take … Continue reading JBL Charge 4 Power Button Not Working Fix



JBL Charge 4 Charging Problems Solved

Most JBL Bluetooth speakers, including the Charge 4, offer off-grid sound via an internal battery. And when that portable power runs out, you can recharge it via an AC or car adapter. To facilitate recharging this speaker, you can use a USB 2 charger with the speaker, that delivers 5 volts at 2.3 amps. Sometimes … Continue reading JBL Charge 4 Charging Problems Solved



JBL Charge 4 Battery Capacity mAh

Here we list details about the battery inside the JBL Charge 4 power bank Bluetooth speaker, including capacity, dimensions, mAh value and play time. Furthermore, the mAh or milliamp-hour value tells us how long the battery will supply sufficient power based on amount of current drawn from it.  Explicitly, the mAh figure tells us how … Continue reading JBL Charge 4 Battery Capacity mAh



JBL Charge 4 Buttons, Codes, Meanings

The JBL Charge 4 waterproof speaker has six buttons and several lamps across its top, as well as battery gauge lights across the front bottom. The Power button lights in white to show that the speaker is ON or OFF. There’s also a port access panel on the back bottom. This protects the USB-C charge … Continue reading JBL Charge 4 Buttons, Codes, Meanings



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 Red Light Stays On, How to Fix

Many JBL speakers, including the Charge 4, have a light that glows or blinks red when the battery is almost out of power. In the case of the Charge 4, we find this lamp in the battery gauge on the front of the speaker’s base. Sometimes though, this red light stays on or blinks for … Continue reading JBL Charge 4 Red Light Stays On, How to Fix



How to Bass Boost JBL Charge 4 Speaker

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