





JBL Boombox 4 Wireless Speaker
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Specification
| Brand | JBL |
| Model | Boombox 4 |
| Speaker | 2 × 5" (123mm) Woofers | 2 × 0.75" (20mm) Tweeters, | 2 × Circular | 1 × Racetrack Passive Radiator |
| Power Output | AC Mode: 2 × 65W RMS (Woofer) + 2 × 40W RMS (Tweeter) | Battery Mode: 2 × 60W RMS (Woofer) + 2 × 40W RMS (Tweeter) |
| Bluetooth | Version: 5.4 | Profiles: A2DP 1.4, AVRCP 1.6 | Frequency Range: 2.4 - 2.4835 GHz | Modulation: GFSK, π/4 DQPSK, 8DPSK | Transmitter Power: ≤ 14dBm (EIRP) |
| Charging Interface | AC-in, USB Type - C |
| Ip Rating | IP68 Dust & Water Resistant |
| Battery capacity | 99.02Wh (21.6V / 4584 mAh) |
| Dimensions | Product: 506.4 × 262.9 × 212.9 mm (19.9 × 10.4 × 8.4 in); (W × H × D) | Packaging: 565 × 345 × 256 mm (22.2 × 13.6 × 10.1 in); (W × H × D) |
| Charging time | Approx. 3 hours |
| Weight | Net Weight: 5.89 kg (13 lbs) | Gross Weight: 8.16 kg (17.99 lbs) |
| Playtime | Up to 28 hours (plus 6 hours with Playtime Boost; depends on volume & content) |
| Audio | Frequency Response: 37Hz – 20kHz | Signal-to-noise Ratio: >80 dB |
| Battery Type | Rechargeable Li-ion |
| Other Features / Info | AI Sound Boost, JBL Playtime Boost, Auracast for Multi Speaker Connection, Bass Boost Settings, Glowing JBL Horn | Accessories: AC Power Cable (2000mm / 78.7”) |
Descriptions

JBL Boombox 4 Wireless Speaker
The JBL Boombox 4 is the kind of speaker that refuses to be ignored. With upgraded JBL Pro Sound, it brings chest-thumping bass and crystal-clear highs through its twin 5 inch woofers, dual tweeters, and three passive radiators. AI Sound Boost reads your tracks in real time, pushing volume and clarity to new heights without distortion, so you can crank it without hesitation. Want to shape the mood? Switch between deep rumbling lows or a punchier Bass Boost for sharper kicks.
Ready to rock the block, beach, or backyard, the new refreshed IP68 design makes it lighter yet larger and more durable, so you can carry it everywhere and vibe along. Surprisingly massive 99Wh battery keeps the music alive for up to 34 hours with Playtime Boost, while Bluetooth 5.4 ensures smooth, stable streaming. The Boombox 4 is power, presence, and party in one.
JBL Boombox 4 Wireless Speaker Features
- Twin five inch woofers and dual tweeters craft a sound that feels spacious and alive.
- AI Sound Boost adapts each track and keeps clarity intact even at thundering volume.
- Bass Boost mode sharpens kicks while deep lows rumble with chest pleasing gravity.
- Three passive radiators add warmth and resonance, enriching layers in the tracks.
- Massive 99Wh battery sustains up to thirty four hours with intelligent playtime boost.
- IP6 rated design stands against elements while remaining lighter for easier carrying.
- Bluetooth 5.4 delivers stable streaming so music flows without annoying signal stutters.
- Refreshingly bold build radiates presence, turning backyards, beaches, and blocks into shared soundscapes.
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