JBL Boombox 4 Portable Bluetooth Speaker
52,000.00 ৳
JBL Boombox 4 Portable Bluetooth Speaker
JBL Boombox 4 is a powerful portable Bluetooth speaker designed to deliver massive
JBL Pro Sound with deep, punchy bass and impressive clarity. Featuring two 5-inch
woofers, two 0.75-inch tweeters and three passive radiators, the Boombox 4 delivers powerful
audio performance for parties, outdoor gatherings and everyday entertainment.
With AI Sound Boost, the speaker analyzes music in real time and automatically
optimizes the sound for more power and less distortion, even at high volume. You can also
customize the bass response with JBL’s Bass Boost settings.
Built for outdoor use, the JBL Boombox 4 features an IP68 waterproof and dustproof
rating. Its rechargeable 99.02Wh lithium-ion battery provides up to
28 hours of playback, with up to an additional 6 hours through Playtime Boost,
depending on volume and audio content.
Key Features
- JBL Pro Sound: Powerful, clear and detailed audio with deep bass.
- AI Sound Boost: Real-time sound optimization for greater power and reduced distortion.
- Powerful Speaker System: 2 x 5-inch woofers, 2 x 0.75-inch tweeters and 3 passive radiators.
- Up to 34 Hours Playtime: Up to 28 hours of standard playback plus up to 6 additional hours with Playtime Boost.
- IP68 Protection: Waterproof and dustproof construction for outdoor use.
- Bluetooth 5.4: Fast and reliable wireless connectivity.
- Auracast Support: Connect compatible JBL speakers for a larger sound experience.
- Bass Boost: Choose between different bass profiles to match your music.
- Powerbank Function: Use the speaker to charge compatible devices.
- USB-C Connectivity: Convenient modern charging and connection interface.
- Replaceable Battery: The rechargeable battery can be replaced separately.
- Portable Design: Easy-to-carry design for parties, travel and outdoor activities.
Technical Specifications
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| Brand | JBL |
| Model | JBL Boombox 4 |
| Speaker Type | Portable Bluetooth Speaker |
| Woofer | 2 x 5-inch / 123 mm Woofer |
| Tweeter | 2 x 0.75-inch / 20 mm Tweeter |
| Passive Radiators | 2 Circle + 1 Racetrack Passive Radiator |
| Output Power – AC Mode | 2 x 65W RMS Woofer + 2 x 40W RMS Tweeter |
| Output Power – Battery Mode | 2 x 60W RMS Woofer + 2 x 40W RMS Tweeter |
| Frequency Response | 37 Hz – 20 kHz |
| Signal-to-Noise Ratio | > 80 dB |
| Bluetooth Version | Bluetooth 5.4 |
| Bluetooth Profiles | A2DP 1.4, AVRCP 1.6 |
| Bluetooth Frequency | 2.4 GHz – 2.4835 GHz |
| Connections | AC-In, USB-C |
| Battery Type | Rechargeable Li-ion Battery Pack |
| Battery Capacity | 99.02 Wh |
| Charging Time | Approximately 3 Hours |
| Music Playtime | Up to 28 Hours + Up to 6 Hours with Playtime Boost |
| Maximum Playtime | Up to 34 Hours |
| Waterproof Rating | IP68 |
| Dustproof | Yes |
| AI Sound Boost | Yes |
| Bass Boost | Yes |
| Auracast | Supported |
| Powerbank | Yes |
| Dimensions (W x H x D) | Approx. 51 x 26 x 21 cm |
| Weight | 5.89 kg |
| Power Input | 100 – 240V AC, 50/60 Hz |
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What’s in the Box?
- 1 x JBL Boombox 4
- AC Power Cord
- Quick Start Guide
- Safety Sheet
- Warranty Card
Why Choose JBL Boombox 4?
The JBL Boombox 4 combines powerful JBL Pro Sound, long battery life, advanced AI Sound Boost,
Bluetooth 5.4 and IP68 waterproof and dustproof protection in one portable speaker. Whether you
are enjoying music at home, having a party, travelling or spending time outdoors, the Boombox 4
is designed to deliver a powerful and immersive listening experience.
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