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Undo the screws at the back and look for a cooling fan. There is something in the centre that looks like one. Or contact JBL direct and put in a warranty claim. The overheating issue seems well documented. Although you shouldn't have to, you could easily cut a vent hole with filter at the base and a 4" case fan above the amplifier to pull out the hot air. 3 x 500 watt inside is bound to create heat.
Try doing default factory settings. Step 1. Press the "Power" button located on the top center part of your JBL Charge 4 Bluetooth speaker. The speaker will be powered on when the LED backlight under the Power button is lit. Step 2. Hold down the "Bluetooth" and "Volume Up" buttons at the same time for roughly three seconds. The Volume Up button looks like a plus sign. Additionally, it's important to hold down the "Bluetooth" button in the center of the device next to the Power button, as it's easier to hold down. After three seconds, the LED ring around the Power and Bluetooth buttons will briefly light up before the JBL Charge 4 powers down. Step 3. Press the "Power" button again to turn the JBL Charge 4 Bluetooth speaker back on. The Charge 4 will instantly turn on in Discovery mode, with the Bluetooth LED blinking on and off, and the speaker making a pinging sound. This confirms that you've successfully reset your JBL Charge 4 to its default factory settings. You'll need to pair or re-pair any devices you want to play audio through the JBL Charge 4 speakers with the device.
Oct 26, 2015 - My JBL Flip 2 is having some problems I turn it on and it all the lightsblink for a light ... I suspect it has to do with the bluetooth connection? .... Then, all of the sudden on the 2nd day, it will only stay on for about 2-3 minutes and ...
? 3:00
https://www.youtube.com/watch?v=9Nw8aXC3Gdk
Dec 22, 2012 - Uploaded by Kempton Lam
My JBL Flip 2 is having some problems I turn it on and it all the lights blink for a light then ... I suspect it has to do with the bluetooth connection?
www.jbl.com > Wireless > Portable Bluetooth Speakers
JBL
Rating: 3.5 - 270 reviews
Top Selling JBL Flip 2 rechargeable portable speaker features superior sound, ... JBL Flip 2 the wireless, portable, rechargeable battery powered speaker that is an all-terrain party you can carry in the palm of ...... Airforce1, do you mean registering the device with JBL or pairing? .... I have no sound or light from my speake
The JRX series have weak HF drivers, only rated for some 25 watts or so. Are you running in Bi-Amp or straight? Could be bad capacitors in the crossovers. Could also be clipping of your amp, a common cause of failure is using too small an amp and pushing it past it's clean operation limits. Speakers don't like square waves. Was the "Clipping" light flashing on the amp?
Hi, I got my on tour a couple of months ago and it worked fine. But just recently it starts stopping emitting any sound one hour or so after I start it. No sound at all, and the light goes off too. If I press one of the buttons, the light will glim just once.
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