Brand: 497
JBL BOOMBOX 4 WIRELESS SPEAKER - SQUAD JBL-SPK-BOOMBOX 4 SQUAD
IP68, W/AURACAST, W/AI SOUND BOOST
All items available for online purchase are not guaranteed to be in stock at the time of order processing. In the event that we are unable to fulfill your order, we will contact you with an alternative, or given a full refund.
All items available for online purchase are not guaranteed to be in stock at the time of order processing. In the event that we are unable to fulfill your order, we will contact you with an alternative, or given a full refund.
Product Description
The JBL Boombox 4 is an ultra-powerful portable Bluetooth speaker that delivers massive sound, up to 34 hours of playtime with Playtime Boost, and an IP68 waterproof and dustproof rating. It features an upgraded internal design and AI Sound Boost technology for enhanced audio performance with less distortion at high volumes.
Key Features
- Massive JBL Pro Sound: It utilizes a new seven-driver setup with two 5-inch woofers, two 0.75-inch tweeters, and three passive radiators to produce deep, punchy bass and clear high-quality audio.
- AI Sound Boost: This intelligent technology analyzes the music in real time and adjusts the acoustics to give more power with less distortion, even when turned all the way up.
- Extended Playtime: The speaker offers up to 28 hours of standard playtime, which can be extended to up to 34 hours with the Playtime Boost feature. The rechargeable battery is also user-replaceable, extending the product's lifespan.
- Rugged Design: It has an industry-leading IP68 rating, making it completely waterproof and dustproof for use in any outdoor environment. The design is also lighter than its predecessor, weighing approximately 5.89 kg.
- Seamless Connectivity: Features Bluetooth 5.4 for stable wireless streaming and supports Auracast™ technology, allowing for effortless linking with multiple other compatible JBL speakers for an even larger soundstage.
- Bass Boost Modes: Users can switch between two different bass boost settings ("Deep" or "Punchy") to match their music style.
- Lossless Audio Playback: The USB-C port supports lossless audio playback for high-resolution wired listening.
Audio Specifications
- Transducers: 2 x 5" (123mm) woofers, 2 x 0.75" (20mm) tweeters, 3 passive radiators
- Output Power (AC Mode): 2 x 65W RMS Woofer, 2 x 40W RMS Tweeter
- Output Power (Battery Mode): 2 x 60W RMS Woofer, 2 x 40W RMS Tweeter
- Frequency Response: 37 Hz – 20 kHz (-6dB)
- Signal-to-Noise Ratio: > 80 dB
- AI Sound Boost: Yes, automatically optimizes audio in real-time for less distortion
Connectivity and Controls
- Bluetooth Version: 5.4
- Bluetooth Profiles: A2DP 1.4, AVRCP 1.6
- Connection Ports: AC-in, USB-C (supports lossless audio playback when connected to a compatible device)
- Multi-Speaker Connection: Auracast™ support for pairing with other compatible JBL speakers
- App Control: The JBL Portable App allows for EQ customization, Bass Boost mode selection, and software updates
Battery and Power
- Battery Type: Rechargeable Li-ion Battery Pack 99.02Wh (equivalent to 21.6V / 4584 mAh)
- Music Play Time: Up to 28 hours (standard), or up to 34 hours with Playtime Boost feature
- Battery Charge Time: Approximately 3 hours
- Power Input: 100 - 240 Vac; 50/60 Hz
- Replaceable Battery: The battery is user-replaceable (sold separately)
Physical and Durability
- Dimensions (W x H x D): 506.4 mm x 262.9 mm x 212.9 mm (19.9" x 10.4" x 8.4")
- Net Weight: 5.89 kg (13 lbs)
- IP Rating: IP68 waterproof and dustproof
- Materials: Made with post-consumer recycled plastic and fabric for the speaker grille
Product Information:
- BLUETOOTH 5.4/ USB-C
- UP TO 28 HOURS
- USB-C
- UP TO 210W
- JBL PORTABLE APP
- IP68
- Dimensions (W x H x D): 50.6 x 26.3 x 21.3 cm
- Weight: 5.89 Kg
- Warranty: 1 Year(s)


Gain City Disclaimer
We strive to present the product information as accurate as possible by taking information directly from manufacturer's / agent's website. Information on this page is subjected to change without prior notice. Information on this page may not be accurate if there is change of specification. Consumers are highly recommended to check the manufacturer's site for latest specs and product information. Pictures are only for illustration. If in doubt, call our customer service hotline to check prior to purchasing. All Materials and images remain the property and copyright of their respective owners.
All items available for online purchase are not guaranteed to be in stock at the time of order processing. In the event that we are unable to fulfill your order, we will contact you with an alternative, or given a full refund.
After you placed the order in Gain City website and confirmed the payment, our customer service officers will process it within 72 hours. Any order that comes in after 6pm on a Friday, it will only be processed on the following Monday.
We will schedule your delivery when Gain City's Own Fleet or Installation Service is required. However, due to stock availability across our different showrooms, Gain City may require an additional 3-5 working days to get the item ready for your Store-Collection (only applicable to 4 main showrooms) or for shipping out.
Delivery of your purchase may fall within this 3 schemes:
- Agent Delivery: Items require our agents (distributor or principal) to deliver and/or perform basic installation services by the agents, for items such as Ceiling Fans, Cooking Hoods, or Water Heaters. Extra charges may apply for the installation service.
- Gain City Delivery: Items in larger size and weight, and/or require basic installation service provided by Gain City's staff.
- Economy Delivery: Smaller items will be delivered via our appointed 3rd party courier service partner.
- Same Day Delivery: Order(s) placed between 12am to 4pm will be delivered within the same day before 10pm.
Delivery cost does not include installation/dismantling/carrying up or down by staircase. Installation/Dismantling cost and any other 3rd party cost applies separately.
For more information, you may refer here.
Our policy lasts 8 days. If 8 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging and sealed.
Several types of goods are exempt from being returned. Perishable goods such as food, flowers, newspapers or magazines cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.
Additional non-returnable items:
- Gift cards
- Downloadable software products
- Some health and personal care items
- Mattresses & bedding accessories (due to hygiene reasons)
To complete your return, we require a receipt or proof of purchase.
For more information, you may refer here.