Picture of the Sony SRS XB01 speaker top and front.

Sony XB01 Watts Output, Input, Battery, Adapter…

The SRS XB01 Sony Bluetooth speaker is a very low power, one-person style, tiny unit with still enough audio watts to fill a small space with strikingly full sounding music or speech.

But what do the watts a BT speaker has, tell you about it?  Firstly, the watt is a measure of the amount of  power the speaker draws and delivers.  Plus, this metric is a handy comparison measure. E.g. Typically, speakers with more watts output tend to play louder than those with lower max wattages.  The ones with greater power cost more, have bigger batteries and chargers, along with larger drivers.  But they also offer more dynamic range, have a deeper bass response, and stereo models offer a bigger soundstage to listeners.

Picture of the Sony SRS XB01 speaker, connected and charging.
The Sony SRS XB01 speaker, connected and charging.

Thus in general, the more powerful the speaker, the better it sounds, even at low volume. You get better clarity due to higher accuracy reproduction of the bass, midrange, and treble pieces of the music. More extra watts could produce less clipping distortion as well. So, the speaker’s output watts number is a primary indicator of speaker quality and performance, and as such, is of great interest to audiophiles and novice listeners alike.

In this case, the Sony XB01, as a little battery powered BT speaker, is a reasonably well powered model for its dainty size.  Its watts can immerse a small area around a dining table with music. See below for details on its power output.

Sony XB01 Watts Details

    1. Battery Capacity: 2.88 watt-hours (3.6 volts, 0.8 amp-hours).
    2. Suggested USB Charger Power:  2.5 watts (5 volts at 0.5 amps).
    3. Light Power: No party lamps on this speaker.
    4. Power Bank Output Power: Not available on this speaker.
    5. Total Audio Output Power on External Power (RMS): 3 watts.
    6. Total Peak Audio Power: 4.24 watts.
    7. Output Power per Channel: 3 watts RMS (There’s only one channel on this model).
    8. Peak Output Power per Channel: 4.24 watts.

Notes on Sony XB01 Watts

    1. The SRS XB01 speaker may not input enough enough power from a USB power adapter to keep the battery from discharging when playing at full volume, depending on what you’re playing on it and the sort of charger you have.  So it could be that even with the unit externally powered, you could still run the battery dead.  Thus on the (rare) times that you see this, just stop playing the XB 01 for a half-hour or so, to allow the speaker to store up some reserve power as it recharges. Then, fire it up again for continued party enjoyment.

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Other Posts About the Sony SRS XB01 Speaker

    1. How to Turn On the Sony SRS XB01 Bluetooth Speaker
    2. How to Pair the XB01 to an iPhone
    3. XB01 Speaker Battery Capacity How to Test
    4. How to Charge the XB01 Bluetooth Speaker
    5. Sony SRS XB01 Charge Time for Full Recharge


Revision Log

    • 2022-08-24: First published.
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