The front view of the Sony SRS X11 mini cube speaker.

Sony SRS X11 Watts Output, Input, Battery, AC …

The SRS X11 wireless Sony cube speaker is a low power, one-person style, small unit with still enough audio watts to hear comfortably in a small room or personal space with strikingly full sounding speech or music.

But what do the watts a Bluetooth speaker has, tell you about it?  Firstly, the watt is a measure of the amount of  power speakers like the X11 draw and deliver.  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 X11 speaker connected and charging.
The Sony SRS X11 speaker connected and charging.

Thus on the whole, the more powerful the speaker, the better it sounds, even on low loudness settings. 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 wattage 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 X11, as a small battery powered cube speaker, is a sufficiently powered model for its size.  Its watts can work the area around a coffee table well with music. See below for details on its power output.

Sony SRS X11 Watts Details

    1. Battery Capacity: 7.4 watt-hours (7.4 volts, 1.0 amp-hours).
    2. Suggested USB Charger Power:  7.5 watts (5 volts at 1.5 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 Battery Power (RMS): `10 watts.
    6. Total Peak Audio Power: 14.14 watts.
    7. Output Power per Channel: 10 watts RMS (There’s only one channel on this model).
    8. Peak Output Power per Channel: 14.14 watts.

Notes on Sony SRS X11 Watts

    1. The SRS X11 cube 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) occasions that this occurs, just stop playing the 11 for an hour or so, to let it 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 SRS X11 Cube Speaker

    1. How to Turn On Sony SRS X11 Cube Speaker
    2. Pairing the X11 to an iPhone
    3. How to Test X11 Battery Capacity
    4. How to Charge the X11 Cube Speaker
    5. Recharge Time on the X11 to Get Full Charging


Revision Log

    • 2022-08-24: First published.
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