JBL Boombox 3 Portable Bluetooth Speaker User Guide





* Power cord quantity and plug type vary by regions.




Use the JBL PORTABLE app for speaker configuration and software upgrade.





Transducers: 189 x 114 mm Subwoofer, 2 x 80.9 x 80.9 mm Midrange/ 2 x 2.75 inch, 2 x Φ20 mm Tweeter/ 2 x 0.75 inch
Output power: 1 x 80 W RMS-subwoofer + 2 x 40 W RMS-midrange +

2 x 10 W RMS-tweeter (AC mode)

1 x 60 W RMS-subwoofer + 2 x 30 W RMS-midrange +

2 x 8 W RMS-tweeter (Battery mode)

Power input: 100 – 240 Vac ; 50/60 Hz ;
Frequency response: 40 Hz – 20 kHz
Signal-to-noise ratio: > 80 dB
Battery type: Li-ion polymer 69.12 Wh (equivalent to 7.2 V / 9600 mAh)
Battery charge time: 6.5 hours
Music play time: up to 24 hours (dependent on volume level and audio content)
Connection ports: AC-in, USB-A, Aux-in
Cable type: AC Power Cable
Cable length: 2000 mm / 78.7”
USB charge out: 5 V / 2 A (maximum)
Bluetooth® version: 5.3
Bluetooth® profile: A2DP 1.3, AVRCP 1.6
Bluetooth® transmitter frequency range: 2.4 GHz – 2.4835 GHz
Bluetooth® transmitter power: ≤ 9 dBm (EIRP)
Bluetooth® transmitter modulation: GFSK, π/4 DQPSK, 8DPSK
Product dimensions (W x H x D): 482.4 x 256.9 x 199.7 mm / 19.0 x 10.1 x 7.9 “
Net weight: 6.7 kg / 14.7 lbs
Packaging dimensions (W x H x D): 565 x 324 x 256.5 mm / 22.2 x 12.8 x 10.1 “
Gross weight: 9.74 kg / 21.47 lbs
Maximum operation temperature: 45 °C

To protect battery lifespan, fully charge at least once every 3 months. Battery life will vary due to usage patterns and environmental conditions.

Do not expose the JBL Boombox 3 to liquids without removing cable connection. Do not expose JBL Boombox 3 to water while charging. It may result in permanent damage to the speaker or power source.

Chemicals, salt or “foreign particles” in your pool or the ocean can damage the waterproof seals or harm the connector surface over time if not rinsed off after use. After a liquid spill or rinse, do not charge your speaker until it’s completely dry and clean. Charging when wet might damage your speaker.

The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by HARMAN International Industries, Incorporated is under license. Other trademarks and trade names are those of their respective owners.

Documents / Resources

JBL Boombox 3 Portable Bluetooth Speaker [pdf] User Guide
Boombox 3, Portable Bluetooth Speaker, Bluetooth Speaker, Portable Speaker, Speaker, Boombox 3


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