JBL has launched the Boombox 4 in the global market, following its earlier release in China. The new model improves on the previous Boombox 3 with upgraded sound hardware, smarter tuning, and longer battery life, while also weighing less despite its larger build.
JBL Boombox 4 Specifications
JBL has equipped it with two 5-inch woofers, two 0.75-inch tweeters, and three passive radiators to deliver louder sound with deeper bass and sharper highs. It produces 2 × 65W RMS woofer and 2 × 40W RMS tweeter output in AC mode, or 2 × 60W RMS woofer and 2 × 40W RMS tweeter output on battery.
The frequency response ranges from 37Hz to 20kHz with a signal-to-noise ratio above 80dB. The company has also added AI Sound Boost, which analyzes audio in real time and adjusts output to maintain power while reducing distortion, even at maximum volume.
The speaker runs on Bluetooth 5.4 and supports lossless audio playback through its USB-C port. It also includes support for Auracast, allowing users to wirelessly connect multiple JBL speakers in a synchronized setup. The PartyBoost feature remains available for stereo pairing.
The speaker runs up to 28 hours on a single charge and extends to 34 hours with Playtime Boost. Fast charging provides two hours of playback in just 10 minutes. JBL also allows users to replace the battery. The built-in power pack doubles as a power bank for charging devices through USB-C.
JBL has rated the Boombox 4 IP68 for water and dust resistance. The unit weighs 5.89 kg and measures 51 x 26 x 21 cm. The design is slightly larger than before but lighter, making it more portable. It is available in White, Black, Blue, and Squad color variants.
JBL is also making a sustainability push with the Boombox 4. The grille uses recycled fabric and plastic, and the packaging is made from FSC-certified paper printed with soy ink. It’s a small step but one that aligns with parent company Harman’s broader eco-friendly commitments.
The Boombox 4 is priced at $549.95 and is now up for pre-order. It will begin shipping worldwide on September 28.
In related news, JBL has rolled out its new Grip portable Bluetooth speakers globally with IP68-rated dust and water resistance. The brand has also introduced the PartyBox 720, delivering 800W output, 15-hour battery life, and dynamic lightshow effects.
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