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JBL BoomBox 4 Portable Waterproof Speaker
JBL BoomBox 4 Portable Waterproof Speaker
Regular price
$495.00
Regular price
$659.00
Sale price
$495.00
Taxes included.
Quantity
Low stock: 5 left
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JBL Boombox 4 Portable Bluetooth Speaker
SKU: Boombox 4
Powerful Portable Speaker with Massive JBL Pro Sound
The JBL Boombox 4 is an ultra‑powerful portable Bluetooth speaker that delivers deep, punchy JBL Pro Sound and robust bass performance. With up to 34 hours of playtime, waterproof and dustproof durability and multi‑speaker connectivity, it’s perfect for parties, outdoor gatherings and everyday music enjoyment in Singapore and beyond.
Key Features
Built for big sound and lasting playtime, the Boombox 4 combines premium audio performance with rugged outdoor readiness.
- Massive JBL Pro Sound: Dual woofers, tweeters and passive radiators produce rich, high‑quality audio with powerful bass
- AI Sound Boost: Automatically adjusts sound in real time for optimal performance
- Long battery life: Up to 28 hours of playtime plus up to 6 hours with Playtime Boost mode
- IP68 waterproof & dustproof: Durable construction for outdoor use, rain or shine
- Multi‑speaker connection: Pair with other Auracast‑enabled JBL speakers for a wider soundstage
- Bass Boost modes: Two selectable bass modes for deeper or punchier low‑end impact
- Bluetooth 5.4: Stable wireless streaming from smartphones and tablets
Technical Specifications
| Model | Boombox 4 |
| Transducers | 2 × 5″ woofers, 2 × 0.75″ tweeters, 3 passive radiators |
| Output Power | 2 × 60 W + 2 × 40 W RMS (battery mode) |
| Frequency Response | 37 Hz – 20 kHz |
| Bluetooth Version | 5.4 |
| Waterproof / Dustproof | IP68 |
| Battery Playtime | Up to 28 hours + 6 hours with Playtime Boost |
| Battery Charge Time | Approx. 3 hours |
| Dimensions (W × H × D) | Approx. 51 × 26 × 21 cm |
| Weight | Approx. 5.9 kg |
Why You’ll Love It
- Unbeatable JBL Pro Sound that fills large spaces with music
- Extended battery life keeps the party going for hours
- Waterproof and dustproof design lets you take it anywhere
- Easy Bluetooth streaming from all your devices
- Multi‑speaker connection expands your audio experience
- Bass Boost modes let you tailor sound to your mood
Warranty Singapore
Includes a 1‑year local Singapore warranty for parts and service through authorised JBL service centres. Please retain proof of purchase for warranty claims.

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