JBL Boombox 4 Portable Bluetooth Speaker

Category	Specification
Connectivity	Wireless
Connection Type	Bluetooth
Bluetooth Version	5.4
Operating Frequency	2.4 – 2.4835 GHz
Speaker Configuration	Dual Woofer + Dual Tweeter
Noise Ratio	> 80 dB
Frequency Response	37 Hz – 20 kHz
Amplifier Output (AC Mode)	2 × 65W RMS (Woofer) + 2 × 40W RMS (Tweeter)
Amplifier Output (Battery Mode)	2 × 60W RMS (Woofer) + 2 × 40W RMS (Tweeter)
Battery Capacity	99.02Wh / 4584 mAh (21.6V)
Charge Time	Approx. 3 Hours
Play Time	Up to 28 Hours (Up to 34 Hours with Playtime Boost)
Input Jack	AC-in
USB Port	USB Type-C
Key Features	AI Sound Boost, Playtime Boost, Auracast, Bass Boost
Other Features	IP68 Dust & Water Resistant
Color	Black
Net Weight	5.89 kg (13 lbs)
Gross Weight	8.16 kg (17.99 lbs)
Dimensions (W × H × D)	506.4 × 262.9 × 212.9 mm
Warranty	No Warranty

JBL Boombox 4 Portable Bluetooth Speaker – Ultimate Party Power with Deep Bass & Long Battery Life

The JBL Boombox 4 Portable Bluetooth Speaker is a premium high-power wireless speaker designed for outdoor parties, travel, and heavy bass music lovers. It is built to deliver massive JBL Pro Sound, combining loud volume, deep bass, and strong durability in a portable boombox-style design.

Equipped with dual powerful woofers, tweeters, and passive radiators, the Boombox 4 produces deep, punchy bass and clear high-frequency sound, making it perfect for large gatherings, beach parties, outdoor events, and home entertainment. The speaker also features AI Sound Boost technology, which optimizes audio output in real time for louder and clearer sound with less distortion.

One of its biggest highlights is the up to 34 hours of battery life, allowing nonstop music playback throughout the day and night. Even at higher volumes, it delivers long-lasting performance, and it also supports fast recharging for convenience.

The Boombox 4 is built for extreme conditions with IP68 waterproof and dustproof protection, making it suitable for poolside use, beach trips, rain, and outdoor adventures without worry.

It also supports Bluetooth 5.4 connectivity, ensuring stable wireless connection with smartphones, tablets, and laptops. Advanced features like Auracast multi-speaker pairing allow you to connect multiple JBL speakers for an even bigger sound experience.

The design is slightly refined compared to earlier models, making it more portable while still delivering extremely powerful sound output. It also includes modern features like USB-C lossless audio input and replaceable battery support, which increases long-term usability and flexibility.

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Key Features

• Model: JBL Boombox 4
• Sound: JBL Pro Sound with deep bass
• Battery Life: Up to 34 hours playback
• Connectivity: Bluetooth 5.4
• Protection: IP68 Waterproof & Dustproof
• Features: AI Sound Boost, Bass Boost modes
• Extra: Auracast multi-speaker support
• Charging: USB-C fast charging + lossless audio support
• Design: Portable boombox with strong carry handle

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Why Choose JBL Boombox 4

• Extremely powerful bass for parties
• Very long battery life for all-day use
• Fully waterproof and dustproof (outdoor ready)
• Advanced AI sound optimization
• Supports multi-speaker setup for bigger sound

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Best For

• Outdoor parties & events
• Beach, pool, and travel use
• Heavy bass music lovers
• Large room or outdoor sound coverage
• Portable DJ-style setups

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Buy JBL Boombox 4 Portable Bluetooth Speaker from Super Tech

In Bangladesh, you can get the original JBL Boombox 4 Portable Bluetooth Speaker from Super Tech. This is JBL’s flagship portable party speaker designed for extremely powerful sound, deep bass performance, and long-lasting outdoor use.

The Boombox 4 delivers massive JBL Pro Sound with upgraded drivers and AI Sound Boost technology, which automatically optimizes audio in real time for louder output with less distortion. It produces deep, punchy bass and wide sound coverage, making it ideal for parties, outdoor events, and large gatherings.

It features a dual Bass Boost system, letting you choose between deeper bass or a more punchy sound profile depending on your mood. This gives more flexibility for different music styles and environments.

With an IP68 waterproof and dustproof rating, it is fully protected against rain, sand, and rough outdoor conditions, making it one of the most durable JBL speakers for travel and outdoor use.

Battery life is a major highlight—offering up to 34 hours of playback, so you can enjoy long sessions without frequent charging.

It also supports Bluetooth 5.4 and Auracast, allowing multi-speaker pairing for a bigger and more immersive sound experience.

The Boombox 4 design is slightly lighter than previous generations, making it easier to carry despite its powerful output.

Order online or visit your nearest Super Tech store to get the JBL Boombox 4 Portable Bluetooth Speaker at the best price in Bangladesh.