VSystem

JBL Boombox 4 - Powerful Portable Bluetooth Speaker

JBL Boombox 4 is the most powerful portable Bluetooth speaker in the Boombox series, designed for users who want massive JBL Pro Sound, deep bass, and music without limits. With high output power, rugged construction, and impressive battery life, it is ideal for parties, travel, and outdoor use.

The new-generation Boombox 4 upgrades the series with AI Sound Boost technology, Auracast connectivity, replaceable battery design, and even more powerful sound with improved dynamics and bass performance.

Key Features

• Powerful JBL Pro Sound with deep and rich bass
• Up to 210 W output power for loud and dynamic sound
• Up to 34 hours of battery life with Playtime Boost
• IP68 protection against water, dust, and drops

Technology & Benefits

Sound built for large spaces

JBL Boombox 4 features a new-generation JBL Pro Sound system with powerful low frequencies, clear highs, and impressive volume levels. AI Sound Boost technology analyzes music in real time and optimizes the audio signal for maximum power and minimal distortion.

More music without interruption

With up to 34 hours of playback time, JBL Boombox 4 is built for long parties, travel, and all-day listening. The replaceable battery design allows easy replacement and extended product lifespan.

Built for use anywhere

IP68-rated protection shields the speaker from water, dust, and impacts, making it suitable for beaches, pools, camping, and outdoor activities. The rugged construction is built for active lifestyles.

Auracast for even bigger sound

JBL Boombox 4 supports Auracast technology, allowing multiple compatible JBL speakers to connect together for a wider and more immersive sound experience.

Built-in powerbank function

The speaker can charge smartphones and other devices directly through the USB-C port, making it a practical companion for travel and outdoor use.

Who is it for?

JBL Boombox 4 is an excellent choice for users looking for maximum Bluetooth sound power for parties, travel, backyard gatherings, pools, and outdoor activities. It is ideal for people who want loud sound, powerful bass, and long battery life.

What is in the box?

• JBL Boombox 4
• AC Power Cord (plug type varies by region)
• User manual

Technical Information

• Model: JBL Boombox 4
• Drivers: 2 x 123 mm Woofers, 2 x 20 mm Tweeters, 2 Circular Passive Radiators and 1 Racetrack Passive Radiator
• Output Power (AC Mode): 2 x 65 W RMS Woofer + 2 x 40 W RMS Tweeter
• Output Power (Battery Mode): 2 x 60 W RMS Woofer + 2 x 40 W RMS Tweeter
• Frequency Response: 37 Hz – 20 kHz
• Signal-to-Noise Ratio: >80 dB
• Power Supply: 100 – 240 V AC, 50/60 Hz
• Bluetooth Version: 5.4
• Bluetooth Profiles: A2DP 1.4, AVRCP 1.6
• Bluetooth Frequency Range: 2.4 GHz – 2.4835 GHz
• Bluetooth Transmitter Power: ≤14 dBm (EIRP)
• Bluetooth Modulation: GFSK, π/4 DQPSK, 8DPSK
• Battery Type: Rechargeable Li-ion Battery Pack 99.02 Wh (21.6 V / 4584 mAh)
• Charging Time: 3 Hours
• Music Play Time: Up to 28 Hours plus up to 6 additional hours with Playtime Boost
• Connection Ports: AC-In, USB-C
• Cable Type: AC Power Cable
• Cable Length: 2000 mm
• Dimensions (W x H x D): 506.4 x 262.9 x 212.9 mm
• Net Weight: 5.89 kg
• Packaging Dimensions (W x H x D): 565 x 345 x 256 mm
• Gross Weight: 8.16 kg

Expert advice from vsystem.bg

JBL Boombox 4 is an ideal choice for users who want maximum sound power and deep bass in a portable format. If you frequently host parties or need a speaker for large spaces and outdoor use, this is one of the best models in the JBL lineup.

FAQ

Is it suitable for use near water?
Yes. JBL Boombox 4 features IP68 water and dust protection.

Can it charge a phone?
Yes. The built-in powerbank function allows charging smartphones and other devices.

Can multiple JBL speakers be connected together?
Yes. Auracast technology allows connection with other compatible JBL devices.

How long does the battery last?
Up to 34 hours depending on volume level and usage conditions.