Powerful JBL Pro Sound for Every Occasion
Enjoy bold, room-filling audio with the JBL Boombox 4 Portable Bluetooth Speaker. Designed for music enthusiasts who want powerful bass and clear sound, the Boombox 4 features two large woofers, two tweeters, and three passive radiators that deliver an immersive listening experience. Whether you're hosting a backyard party, relaxing by the pool, or spending a day at the beach, this portable speaker brings your music to life.
AI Sound Boost for Enhanced Audio Performance
JBL's AI Sound Boost technology analyzes your music in real time and automatically optimizes audio performance. This intelligent feature helps deliver powerful sound with reduced distortion, even at higher listening volumes.
Up to 34 Hours of Music Playback
Keep your music playing with up to 28 hours of battery life on a single charge. Activate JBL Playtime Boost for up to 6 additional hours, giving you a maximum of 34 hours of playback. Actual battery performance varies depending on volume, audio content, and settings.
IP68 Waterproof and Dustproof Design
Built for indoor and outdoor entertainment, the JBL Boombox 4 features an IP68-rated waterproof and dustproof construction. Its durable, portable design and integrated carrying handle make it easy to bring powerful music to the beach, poolside gatherings, camping trips, and other outdoor activities.
Bluetooth 5.4 and Auracast Connectivity
Enjoy convenient wireless streaming from compatible Bluetooth-enabled devices. Auracast technology allows you to pair two JBL Boombox 4 speakers for stereo sound or connect multiple compatible Auracast-enabled JBL speakers for a broader listening experience.
Customizable Bass and Audio Settings
Adjust your listening experience with two selectable Bass Boost modes: Deep Bass and Punchy Bass. The JBL Portable app also provides additional audio customization options, allowing you to fine-tune the sound to match your music preferences.
Convenient USB-C Connectivity and Charging
The USB-C connection supports compatible lossless audio playback and allows the speaker to function as a power bank for charging compatible mobile devices. Its rechargeable battery and included AC power cable provide flexible listening options at home or on the go.
Key Features
- Powerful JBL Pro Sound: Dual 5-inch woofers, two tweeters, and three passive radiators deliver rich audio and deep bass.
- AI Sound Boost Technology: Automatically adjusts audio output to improve clarity and minimize distortion.
- Up to 34 Hours of Battery Life: Enjoy up to 28 hours of standard playback, plus 6 additional hours using Playtime Boost.
- IP68 Waterproof and Dustproof: Designed to withstand water and dust exposure during outdoor activities.
- Bluetooth 5.4 Connectivity: Stream music wirelessly from compatible smartphones, tablets, and other Bluetooth devices.
- Auracast Multi-Speaker Support: Connect compatible JBL speakers or pair two Boombox 4 speakers for stereo sound.
- Two Bass Boost Modes: Choose between Deep Bass and Punchy Bass settings.
- USB-C Connectivity: Supports compatible lossless audio playback and mobile-device charging.
- Portable Design: Integrated carrying handle makes transporting the speaker convenient.
- JBL Portable App Compatibility: Customize sound settings and manage compatible speaker connections.
- Replaceable Rechargeable Battery: Supports battery replacement using a separately sold compatible battery.
