Top front right view of the JBL Go 3 BT speaker.

JBL Go 3 Specs Watts RMS

The Go 3 JBL Bluetooth speaker by Harman Kardon is a low power, hand-held style unit with still enough RMS watts in its specs to fill a small room with decent sounding tunes.

But what do the watts a wireless mini speaker has, tell us about how good it is?  Firstly, the watt is a measure of how much power the speaker requires and outputs.  Plus, this metric is a telling comparison measure. Why? Because generally, speakers with more audio watts tend to play louder than those with less.

While they do cost more, have larger, heavier, and costlier batteries and chargers, along with bigger drivers and magnets, they nonetheless offer some big plusses.  They have more dynamic range, a deeper bass response, and the models that play in stereo offer typically a bigger soundstage and better sound imaging to listeners.

Left side view of the JBL Go 3 speaker, showing a USB-C cord plugged into the charging port.
Left side view of the JBL Go 3 speaker, showing a USB-C cord plugged into the charging port.

Thus in general, the more powerful the speaker, the better it sounds, even at lower volume. You get improved clarity due to higher accuracy reproduction of the bass, midrange, and treble parts of the music. Plus, more reserve power likely means less clipping distortion too, even at higher volumes. So, the speaker’s max watts output is a primary indicator of its quality and performance.  And as such, this value is of great interest to audiophiles and novice listeners alike.

In this case, the Go 3, as a small portable speaker, is a surprisingly loud model for all the bigger it is. Its four plus watts can fill a small size party area with clear and full music. See below for details on its power output.

JBL Go 3 Specs Watts Details

    1. Battery Capacity: 2.775 watt-hours (3.8 volts, 730 milliamp-hours (mAh)).
    2. USB Charger Power: 5 watts (5 volts at 1 amp).
    3. Power Bank Output Power: Not available on this speaker.
    4. Play Time Per Recharge: Up to 5 hours.
    5. Total Audio Output Power on AC (RMS): 4.2 watts.
    6. Total Peak Audio Power: 5.94 watts.
    7. Output Power per Channel: 5.94 watts RMS (One channel in this speaker).

Notes on JBL Go 3 Specs Watts

    1. This speaker may not input enough enough power from a low power USB AC adapter (under 5 watts capacity) to keep the battery from discharging when playing at full volume, depending on what you’re listening to.  So it could happen that even with the Go 3 fed from external power, you could still see the music shut OFF abruptly.  Thus on the (rare) times that this occurs, just stop playing the unit for an hour or so, to let it build up some reserve battery power while charging. Then, fire it up again for continued party enjoyment.

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Other Posts About the JBL Go 3 Bluetooth Speaker

    1. JBL Go 3 Low Frequency Mode Explained
    2. How to Turn On Bass Mode on the JBL Go 3 Speaker
    3. JBL Go 3 Not Charging, How to Fix
    4. How to Tell When JBL Go 3 Reaches Full Charge
    5. How to Turn on JBL Go 3 Speaker


Revision Log

    • 2023-01-22: First published.