JBL Boombox 4 Portable Bluetooth Speaker

Powerhouse JBL Pro Sound with AI Boost. The JBL Boombox 4 brings serious sound to any party [cite: 1]. Equipped with real-time AI Sound Boost technology, it analyzes your audio in real time to optimize acoustic output for maximum volume with minimal distortion [cite: 1].

5-Speaker Acoustic Engine & Dual Bass Modes. Features 5 internal drivers—two larger woofers, two tweeters, and three passive radiators—delivering 65W of deep, punchy bass and crystal-clear highs [cite: 1]. Easily toggle between Deep Bass and Punchy Bass modes to match your music vibe [cite: 1].

Up to 34 Hours Playtime & Swappable Battery. Enjoy up to 28 hours of playtime on a single charge, plus an additional 6 extra hours using JBL Playtime Boost [cite: 1]. Designed with a swappable battery architecture for extended listening sessions on the go [cite: 1].

IP68 Waterproof, Dustproof & Auracast. Built with an IP68 rugged rating, it handles rain, sand, and water splashes with ease [cite: 1]. Use Auracast to pair two Boombox 4 units for true stereo sound or wirelessly link multiple Auracast-enabled JBL speakers [cite: 1].

• AI Sound Boost analyzes music signals in real time to deliver maximal volume with low distortion [cite: 1]
• 65W output power driven by 5 internal speakers with dual bass boost profiles [cite: 1]
• Up to 34 hours of extended battery runtime (28 hours standard + 6 hours Playtime Boost) [cite: 1]
• Rugged IP68 waterproof and dustproof casing built for outdoor environments [cite: 1]
• Auracast connectivity enables multi-speaker grouping and stereo pairing [cite: 1]
• Lossless USB-C digital audio streaming and swappable battery design [cite: 1]

• Model Number: JBLBOOMBOX4BLKUK [cite: 1]
• Output Power: 65 Watts RMS (Bass Reflex System) [cite: 1]
• Acoustic Configuration: 5 Internal Speakers (2 Woofers, 2 Tweeters, 3 Passive Radiators) [cite: 1]
• Sound Processing: AI Sound Boost Real-Time Audio Optimization [cite: 1]
• Bass Enhancements: Dual Modes (Deep Bass / Punchy Bass) [cite: 1]
• Battery Runtime: 28 Hours Base Playtime (+6 Hours with JBL Playtime Boost = 34 Hours Total) [cite: 1]
• Battery Architecture: Integrated Swappable Rechargeable Lithium-Ion Battery [cite: 1]
• Water & Dust Protection: IP68 Rated (Waterproof & Dustproof) [cite: 1]
• Wireless Connectivity: Bluetooth & Auracast Multi-Speaker Pairing [cite: 1]
• Wired & Digital Inputs: Lossless USB-C Audio Playback [cite: 1]
• App Integration: JBL Portable App Compatible [cite: 1]
• Ecosystem Compatibility: Universal iOS (iPod, iPhone, iPad) and Android support [cite: 1]
• Physical Dimensions & Mass: H26.29 x W50.64 x D21.29 cm | Net Weight: 6.000 kg (mapped to 3 decimal places) [cite: 1]

• JBL Boombox 4 Portable Bluetooth Speaker [cite: 1]
• USB-C Charging Cable & Adapter Unit [cite: 1]
• Quick Start Guide & Safety Instruction Sheet [cite: 1]

Manufacturer's Warranty: 2 Years (24 Months) Extended Guarantee [cite: 1]

Hubbmall Guarantee: 14 Days in-store replacement / money-back guarantee (T&Cs Apply) [cite: 1].