We explain how to turn off the Sony SRS XB21 portable stereo speaker here. Now most speakers have a Power button that Sony prominently places on the unit so it’s easy to locate. Indeed, this speaker is no exception to this pattern, as we find its Power button at the rightmost position on the top button panel. See this next.
There’s also a status lamp, just above the Power button, that glows white as long as the speaker is ON, but goes dark when you turn off the speaker. E.g. We point out this lamp in the next picture.
This lamp glows when the speaker is ON, as seen above.
And when you turn off the XB21, this lamp goes OFF, as we see next.
How to Turn Off Sony SRS XB21
To power down this wireless speaker, press the Power button. Then release after a quarter second or so. Also, you needn’t depress it for very long for the unit to read your press and then shut itself down.
When the speaker goes off, all lamps on the unit stop glowing, except for possibly the orange CHARGE lamp. See this in the next picture.
This light continues glowing when the speaker is recharging, no matter whether the speaker itself is ON or OFF. Note that the CHARGE lamp does not indicate speaker power state (whether it is ON or OFF). But this light will stop glowing when the battery hits full charge, or when you disconnect the charger from the speaker. It should not glow when the speaker is OFF and you have no charger attached.
Furthermore, this speaker makes no sound when it powers OFF, although if it is playing, this sound will stop immediately.
But if pressing the Power button does not turn off the speaker, you can try resetting it. See our How to Reset Sony SRS XB21 Wireless Speaker for details on how to do that to restore proper Power button operation.
And if that doesn’t do the job, you can disconnect the speaker from your charger, and let it run on battery power until it dies. Then it will certainly shut down. At that point, and hopefully, when you connect power to it again, the Power button will once more work as you expect. But if not, the speaker may be broken, and so you might just have to replace it.
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- 2021-09-27: First published.