JBL Boombox 4 - Portable Bluetooth Speaker - Squad

The JBL Boombox 4 Portable Bluetooth Speaker is designed to deliver powerful sound that lasts all day and night. Featuring JBL Pro Sound technology with upgraded woofers, tweeters, and passive radiators, every track plays with deeper bass, crisp highs, and a cleaner overall output. With AI Sound Boost, the audio is automatically optimized in real time, giving more volume and clarity with minimal distortion, even at maximum levels.

Built for portability and durability, the JBL Boombox 4 combines a bold design with IP68 waterproof and dustproof protection, making it perfect for outdoor parties, beach trips, and backyard gatherings. Its long-lasting 34-hour battery life, boosted by JBL’s Playtime Boost feature, ensures uninterrupted entertainment, while its power bank function keeps your devices charged on the go. With Bluetooth 5.4 connectivity and PartyBoost pairing, it is the ultimate wireless speaker for those who demand premium sound anywhere, anytime.

Key Features:

• JBL Pro Sound with AI Boost: Advanced sound technology analyzes your music and enhances volume and clarity with less distortion.

• Powerful Bass & Clean Highs: Dual woofers, dual tweeters, and triple passive radiators deliver dynamic, impactful audio.

• Long Battery Life: Up to 34 hours of playback with Playtime Boost for extended sessions.

• Rugged & Weatherproof: IP68 waterproof and dustproof design ensures durability in any environment.

• Portable Power Bank: Built-in battery doubles as a charger for smartphones and other devices.

• Bluetooth 5.4 with PartyBoost: Seamless wireless streaming and the ability to connect with other JBL speakers for amplified sound.

Specifications:

General Specifications

• Output Power (W RMS): (AC mode) 2 x 65W RMS Woofer, 2 x 40W RMS Tweeter / (Battery mode) 2 x 60W RMS Woofer, 2 x 40W RMS Tweeter

• Power input: 100 - 240 Vac; 50/60 Hz

• Signal-to-noise ratio: > 80 Db

Audio Specifications

• Frequency response: 37Hz - 20 kHz

• Transducer: 2 x 5 inch / 2 x 123mm woofer, 2 x 0.75 inch / 2 x 20mm Tweeter, 2 pcs circle + 1 pc racetrack passive radiator

Dimensions

• (cm): 51 x 26 x 21

• (in): 20 x 10 x 8

• Weight: 5.89 kg / 13 lbs

Control and Connection Specifications

• Bluetooth profiles: A2DP 1.4, AVRCP 1.6

• Bluetooth frequency range: 2.4 - 2.4835 GHz

• Modulation: GFSK, π/4 DQPSK, 8DPSK

• Transmission power: ≤ 14 dBm (EIRP)

• Bluetooth version: 5.4

• Connection ports: AC-in, USB-C

Battery

• Charging time: 3 hours

• Type: Rechargeable Li-ion Battery Pack 99.02Wh

• Cable length: 6.6 ft / 2 m

• Maximum music playback time: 28 hrs (up to 34 hrs with Playtime Boost)

Features

• AC power cable (type varies by region)

• AI Sound Boost

• Bluetooth

• JBL PartyBoost

• Power bank function

• Supports Auracast

• Splashproof & Dustproof (IP68 rating)

• Wireless

What’s in the Box

• 1 x JBL Boombox 4

• AC power cord (varies by region)

• Quick start guide

• Security certificate

• Warranty certificate

Conclusion:

The JBL Boombox 4 Bluetooth Speaker provides unmatched sound performance, long-lasting battery life, and rugged durability for every occasion. With deep bass, smart AI sound optimization, and a waterproof, dustproof design, it is built to handle any adventure while keeping the music going strong. Whether indoors or outdoors, this speaker ensures that every moment is filled with powerful, clear, and immersive sound.