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Overview

JBL Boombox 4 Splashproof 34 Hour Bluetooth Wireless Speaker BLACK - Open Box
Open Box

JBL Boombox 4 Splashproof 34 Hour Bluetooth Wireless Speaker BLACK - Open Box

Model: JBLBOOMBOX4BLKAM
Web Code: 19873404
Sold and shipped by | 4.3 seller rating (24 reviews)

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

JBL Boombox 4 Splashproof Bluetooth Wireless Speaker – Black

Bring the music anywhere with the JBL Boombox 4. Designed for epic sound and all-day play, this portable Bluetooth speaker delivers massive, room-filling power with two woofers, two tweeters, and three passive radiators. Featuring JBL’s advanced AI Sound Boost for real-time tuning, it produces clean, dynamic sound with less distortion. With an IP68 waterproof and dustproof rating, rugged construction, and up to 34 hours of battery life, the Boombox 4 is built for every adventure—rain or shine.

Features

Powerful JBL Signature Sound – Dual woofers, dual tweeters, and three passive radiators deliver deep bass, crisp highs, and clear mids.

AI Sound Boost – Intelligent sound adjustment analyzes music in real time to enhance volume and clarity with reduced distortion.

Custom Bass Modes – Choose between Deep Bass for heavy low-end or Punchy Bass for tight, energetic impact.

Massive 34-Hour Battery Life – Enjoy up to 28 hours of continuous playtime, plus an extra 6 hours using Playtime Boost.

Replaceable Battery System – Easily swap and recharge with JBL’s replaceable battery (sold separately) for extended life.

Bluetooth 5.4 Connectivity – Ensures fast pairing and stable wireless streaming from any compatible device.

Auracast Support – Stereo pair two Boombox 4 speakers or connect multiple Auracast-enabled JBL speakers for multi-room sound.

IP68 Waterproof & Dustproof – Fully protected against the elements, ideal for poolside, beach, or outdoor use.

USB-C Lossless Audio Input – Stream directly from laptops or compatible devices with lossless clarity (requires supported content).

Eco-Friendly Build – Speaker grille crafted from recycled plastic and fabric for a more sustainable design.

Specifications

General

Brand: JBL

Model: Boombox 4

Colour: Black

Product Type: Portable Bluetooth Speaker

Operating Environment: Indoor & Outdoor

Ingress Protection Rating: IP68 (Waterproof & Dustproof)

Audio

System Power (Peak): 200 W

Frequency Response: 37 Hz – 20 kHz

Drivers: 2 × Woofers, 2 × Tweeters, 3 × Passive Radiators

AI Sound Boost: Yes

Bass Modes: Deep Bass / Punchy Bass

Stereo Pairing: Yes (Auracast)

Multi-Room Capability: Yes

Connectivity

Wireless Connection: Bluetooth 5.4

USB-C Input: Yes (Lossless Audio Support)

3.5 mm Aux Input: None

NFC / AirPlay / Chromecast: No

Power

Power Source: AC & Rechargeable Battery

Battery Life: Up to 28 hrs (standard) / 34 hrs (Playtime Boost)

Battery Type: Replaceable Rechargeable Battery (sold separately)

Charging Port: USB-C

Device Charging (Powerbank): Yes

Physical

Dimensions (W × H × D): 50.64 × 26.29 × 21.29 cm

Weight: 5.89 kg

Light Indicator: Yes

Construction: Recycled plastic & fabric materials

Included in the Box

JBL Boombox 4 Speaker

AC Power Cord (plug varies by region)

Quick Start Guide

Safety Sheet

Warranty Card

Warranty

Parts: 1 Year Limited

Labour: 1 Year Limited

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

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Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

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  • No restrictions in Canada
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Product Category
Home theatre audio products
Return/Exchange Period
30 days
Condition
Opened