JBL BoomBox4 Portable Speaker

The JBL Boombox 4 brings the boom wherever we go. It’s portable, waterproof, and dustproof—so we never stress about weather or spills. We get massive JBL Pro Sound with a Bass Boost that lets us pick between deep or punchy bass, depending on the vibe. Boombox 4 boasts bigger sound than ever before, lighter for easier carry, and up to 34 hours of playtime on a single charge.

• Audio Performance: Delivers "violent" sound with powerful bass (40-20 Hz range) and two, or sometimes three, passive radiators. It includes AI Sound Boost for real-time optimization and two bass modes.

• Battery & Power: Up to 34 hours (with stamina mode) or ~10 hours at high volume/heavy bass . The battery is user-replaceable and supports fast charging .

• Durability & Design: Features an IP68 rating, making it fully dustproof and waterproof. It is slightly lighter than the Boombox 3 and features a, or sometimes no, redesigned, more comfortable, sometimes plastic, handle.

• Connectivity: Uses Bluetooth 5.4 and features Auracast for pairing with other new JBL models, replacing PartyBoost.

• Functionality: Includes a USB-C port for device charging and high-quality audio input.