We explain how to turn on the Sony XB40 desktop speaker here. Now most Bluetooth speakers have a Power button that Sony prominently places on the unit so it’s easy to find. Indeed, this speaker is no exception to this, as we find its Power button on the top of the XB40, as we see next.
There’s also a status lamp in the Power button, that lights white when the speaker powers up, as we point out below.
This lamp is dark when the SRS XB40 is OFF.
There’s also a Bluetooth status lamp that flashes or glows steadily when you power up the 30, as we see next.
How to Turn On Sony XB40
To power up the SRS XB40, press the Power button. Then release after a quarter second or so. Also, you needn’t hold it in for too long for the unit to see your press and then turn itself on.
When the speaker comes on, the Power lamp glows and the Bluetooth status light begins blinking or glowing. Plus, the unit may or may not make a beep sound. It will sound a ding-dong sort of beep pattern if it pairs to a nearby Bluetooth device. But if it pairs with nothing, then it makes no sound.
However, if pressing the Power button does not turn on the SRS XB40, or if the CHARGE light blinks orange, it could be that you need to recharge your speaker.
So if the unit won’t come on, try connecting a USB charger to it. Yes, you can indeed play the speaker as it charges.
Now with a charger supplying power, this speaker should always power on when you click the Power button. If not, then the battery may be VERY dead, and it will take an hour or so to charge up enough to power up the speaker.
Or the unit may not be getting any juice from the AC adapter. So check that the receptacle for the power supply is live, that the adapter works, that the cable between it and the XB40 is not damaged, and that the charger plug is fully seated in the speaker’s micro USB port.
But if after all these checks the speaker still does not turn on, then the unit itself may be defective. So in that case, get a new one.
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- 2023-03-27: First published.