Picture of the Sony SRS XG300 boombox speaker charging.

Sony SRS XG300 Power Output

The SRS XG300 Sony Bluetooth speaker is a medium power, portable boombox system with enough power output to fill a run-of-the-mill living room or yard with big sounding tunes.

But what does the quantity of output power a wireless speaker supplies, tell about how good it is?  Firstly, the watt is a measure of how much power the speaker consumes or outputs.  Plus, this metric is a convenient comparison measure. E.g. Generally speaking, speakers with more audio power output play louder than those with less.  And while they do cost more, have bigger, heavier batteries and chargers, along with larger drivers and magnets, they nonetheless offer greater dynamic range, have a deeper bass response, and the models that do stereo offer typically a bigger soundstage and better imaging to listeners.

Picture of the front of the Sony SRS XG300 party boombox speaker.
Front view of the Sony SRS XG300 party boombox speaker.

Thus in general, the more powerful the speaker, the better it sounds, even at lower volume. You get improved crispness due to higher accuracy reproduction of the bass, midrange, and treble musical content. More reserve power often means less clipping artifacts too. So, the speaker’s max power output is a primary indicator of speaker quality and performance.  And as such, this value is of great interest to audiophiles and novice listeners alike.

In this case, the Sony XG300, as a common sized portable BT speaker, is a decently loud model for all the bigger it is. Its output power can fill a room with clean sounding music. See below for details on its power output.

Sony SRS XG300 Power Output: Details

All power figures here given in watts.

    1. Battery Capacity: 37.44 watt-hours (7.4 volts, 5.2 amp-hours).
    2. AC Charger Power: 15 (5 volts at 3.0 amps).
    3. Bluetooth Standby Mode Power: Less than 0.3.
    4. Total Audio Output Power on AC (RMS): 16.
    5. Total Peak Audio Power (both channels): 22.62.
    6. Output Power per Channel: 8 RMS.
    7. Audio Output Power on Battery: Decreases as battery approaches depletion.

Notes on Sony SRS XG300 Power Output

    1. The system tries to conserve battery power as the battery get close to total depletion.  The XG 300 does this by reducing the audio output power somewhat.
    2. This speaker may not get enough enough power from the AC power adapter to keep the battery from discharging when playing at full volume, depending on what you’re listening to.  So it’s possible that even with the unit plugged in, you could still see it shut OFF unexpectedly.  Thus on the (rare) occasions that this occurs, just stop playing the 300 for an hour or two, to let it build up some reserve power while charging. Then, start it up again for continued party fun.

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Other Sony SRS XG300 Posts

    1. How to Pair Sony SRS XG300 to Alexa
    2. Sony SRS XG300 Specifications
    3. How to Factory Reset Sony SRS XG300 Speaker
    4. Sony SRS XG300 Blinking Orange Light
    5. How to Bass Boost Sony SRS XG300

References

    1. Official Sony SRS XG300 Support Page
    2. Where to Buy the Sony SRS XG300

Revision History

    • 2023-04-03: First published.