JBL Boombox 4 Portable Bluetooth Speaker – IP68 34H Playtime

Bring massive sound anywhere with the JBL Boombox 4 Portable Bluetooth Speaker. Redesigned for even bigger and more powerful performance, it combines JBL Pro Sound, deep bass, long battery life, and a rugged portable design built for indoor and outdoor entertainment.

The Boombox 4 features two powerful 5-inch woofers, two tweeters, and three passive radiators to deliver powerful bass and clear, detailed sound. AI Sound Boost analyzes your music in real time and automatically optimizes the speaker's performance for more power with less distortion.

Choose the bass response that matches your music with two Bass Boost settings. Switch between deeper bass or a more vibrant, punchy bass response depending on your listening preference.

Enjoy up to 28 hours of music playtime on a single charge. When you need even more listening time, JBL Playtime Boost can provide up to 6 additional hours, giving you up to 34 hours of total playtime.

With an IP68 waterproof and dustproof rating, the JBL Boombox 4 is ready for beach trips, poolside gatherings, camping, outdoor parties, and everyday adventures.

For larger sound setups, Auracast™ lets you connect compatible JBL speakers wirelessly. You can also pair two Boombox 4 speakers together for a wider stereo listening experience.

The built-in powerbank lets you charge compatible mobile devices directly from the speaker, while the replaceable rechargeable battery design helps extend the usable life of your Boombox 4.

Key Features

• Massive JBL Pro Sound
• AI Sound Boost technology
• 2 × powerful 5-inch woofers
• 2 × tweeters
• 3 × passive radiators
• Two selectable Bass Boost settings
• Up to 28 hours of standard music playtime
• Up to 6 additional hours with Playtime Boost
• Up to 34 hours combined playtime
• Bluetooth 5.4 connectivity
• IP68 waterproof and dustproof protection
• Auracast™ multi-speaker connectivity
• Built-in powerbank
• USB-C connectivity
• Replaceable rechargeable battery
• Lossless audio playback support via compatible USB-C connection
• Portable integrated carrying handle

Technical Specifications

• Brand: JBL
• Model: Boombox 4
• Product Type: Portable Bluetooth Speaker
• Woofers: 2 × 123mm / 5"
• Tweeters: 2 × 20mm / 0.75"
• Passive Radiators: 2 × Circular + 1 × Racetrack
• AC Output Power: 2 × 65W RMS Woofer + 2 × 40W RMS Tweeter
• Battery Mode Output: 2 × 60W RMS Woofer + 2 × 40W RMS Tweeter
• Frequency Response: 37Hz - 20kHz
• Signal-to-Noise Ratio: >80dB
• Bluetooth Version: 5.4
• Battery: Rechargeable 99.02Wh Li-ion Battery Pack
• Standard Music Playtime: Up to 28 Hours
• Playtime Boost: Up to 6 Additional Hours
• Maximum Playtime: Up to 34 Hours
• Charging Time: Approx. 3 Hours
• Protection Rating: IP68
• Connection Ports: AC-In, USB-C
• Power Input: 100-240V AC, 50/60Hz
• Dimensions: Approx. 50.6 × 26.3 × 21.3cm
• Weight: Approx. 5.89kg
• Color: Black

What's in the Box

• 1 × JBL Boombox 4
• 1 × AC Power Cord
• 1 × Quick Start Guide
• 1 × Safety Sheet
• 1 × Warranty Card

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