The XB33 Sony Bluetooth speaker is a small to medium power, desktop style unit with plenty of power output to fill a typical room with tunes.

But what does the power output value a wireless speaker delivers tell you about it?  Firstly, the watt is a measure of how much power the speaker consumes or outputs.  Plus, this metric is a handy comparison measure. E.g. Generally speaking, speakers with more power output tend to play louder than those with less.  They cost more, have bigger batteries and chargers, along with larger drivers.  They offer greater dynamic range, have a deeper bass response, and stereo versions and offer typically a bigger soundstage to listeners.

The Sony XB33, connected to charger and charging.

Thus in general, the more powerful the speaker, the better it sounds, even at lower volume. You get better clarity due to higher accuracy reproduction of the bass, midrange, and treble content of the music. More available power could mean less clipping distortion too. So, the speaker’s power output 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 XB33, as a portable BT speaker, is a decently hefty model for its size.  Its tens of watts of output power can fill a small to medium size room with music. See below for details on its power output.

Sony XB33 Power Output: Details

All power related values are given in watts in the list next.

    1. Total Audio Output Power on AC (RMS): 16.
    2. Total Peak Audio Power (both channels): 22.6.
    3. Audio Output Power on Battery: Decreases as battery discharges.
    4. Output Power per Channel: 8 RMS.
    5. Battery Capacity: 19.24 watt-hours (7.4 volts, 2.6 amp-hours).
    6. USB-C Charger Power: 15 (5 volts at 3 amps).
    7. Light Power: Less than 2.
    8. Bluetooth Standby Mode Power: 0.2.
    9. Power Bank Output Power: 5 (5 volts at 1 amp max).

Sony XB33 Power Output: Other Notes

    1. The system tries to conserve battery power as the battery get close to total depletion.  The XB33 does this by reducing the audio output power somewhat.
    2. This speaker may not input enough enough power from a USB-C power adapter to keep the battery from discharging when playing at full volume, depending on what you’re playing on it.  So it’s possible that even with the unit plugged in, you could still see it shut down.  Thus on the (rare) occasions that this occurs, just stop playing the 33 for an hour or two, to let it build up some reserve power while charging. Then, fire it up again for continued party enjoyment.

Related Posts to Sony XB33 Power Output

    1. Sony XB32 Power Output
    2. Sony XB13 Power Output
    3. Sony XB31 Power Output

Other Sony XB33 Posts

    1. Sony XB33 Buttons Explained
    2. How to Pair Sony XB33 to iPhone
    3. Sony XB33 Factory Reset Instructions
    4. How to Turn Off Sony XB33
    5. Sony XB33 Specs

References

    1. Official Sony XB33 Support Page
    2. Where to Buy the Sony XB33

Revision History

    • 2023-04-04: First published.
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