1. Overview
The JBL Go 4 is an ultra-portable Bluetooth wireless speaker designed for on-the-go audio. Its compact and lightweight design, combined with IP67 waterproof and dustproof ratings, makes it ideal for various environments, from parks to beaches. Enjoy clear and powerful JBL Pro Sound with up to 7 hours of playback, extendable by an additional 2 hours with Playtime Boost. The speaker also supports Auracast for connecting to multiple compatible speakers.
2. What's in the Box
- JBL Go 4 Portable Bluetooth Speaker
- USB-C Charging Cable
- Quick Start Guide
- Safety Sheet
- Power Adapter (NOT INCLUDED)
3. Product Features
- Ultra-Portable & Compact Design: Features an integrated finger/carry loop for easy transport.
- Up to 7 Hours of Playback: Enjoy extended listening sessions.
- Pair 2 Speakers for Stereo Sound: Enhance your audio experience by connecting two Go 4 speakers.
- Adjust EQ & More with JBL Portable App: Customize your sound settings.
- Clear & Powerful JBL Pro Sound: Delivers high-quality audio.
- Waterproof & Dustproof Construction (IP67): Designed to withstand water and dust exposure.
- 2 Extra Hours with Playtime Boost: Extend battery life when needed.
- Works with Auracast-Enabled Speakers: Connect to multiple compatible speakers for a wider soundstage.
- Eco-Friendly Construction & Packaging: Made with recycled materials.



Product Videos
Video: This video provides an overview of the JBL Go 4 speaker, highlighting its compact size and portability. It demonstrates the speaker's design, including the integrated loop and control buttons, and mentions its waterproof feature and battery life. The video emphasizes its suitability for outdoor activities.
Video: This video showcases the JBL Go 4 as a 'Power Packed Speaker'. It demonstrates the speaker's small size and powerful sound, emphasizing its portability and ease of use for various settings.
Video: This review highlights the JBL Go 4 as a 'Small Speaker with Big Energy'. It demonstrates the speaker's compact size, sound quality, and portability, making it suitable for personal use and travel.
Video: This video presents the JBL Go 4 as a speaker perfect for 'Beach House Vibes & Perfect Gift!'. It shows the speaker in a beach setting, emphasizing its waterproof feature and suitability for outdoor leisure.
Video: This video offers a comparison between the JBL Go 4 and the JBL Go 3, highlighting the improvements and new features of the Go 4 model, such as enhanced grip and Auracast compatibility.
Video: This video provides essential information about the JBL Go 4 speaker, covering its key features, benefits, and considerations before purchase. It emphasizes its compact size, durability, and sound quality.
4. Setup
4.1 Charging the Speaker
Before first use, fully charge your JBL Go 4 speaker using the provided USB-C charging cable. A full charge typically takes approximately 2.5 hours. The LED indicator will show charging status.
4.2 Bluetooth Pairing
- Power on the JBL Go 4 by pressing the power button (⏻). The Bluetooth indicator light will begin to flash, indicating it's in pairing mode.
- On your mobile device (smartphone, tablet, etc.), go to the Bluetooth settings.
- Select "JBL Go 4" from the list of available devices.
- Once connected, the Bluetooth indicator light will turn solid.
5. Operating Instructions
5.1 Power On/Off
- Press the power button (⏻) to turn the speaker on or off.
5.2 Volume Control
- Press the plus button (+) to increase the volume.
- Press the minus button (-) to decrease the volume.
5.3 Music Playback
- Press the play/pause button (▶) to play or pause music.
- Double-press the play/pause button (▶) to skip to the next track.
5.4 Auracast Functionality
The JBL Go 4 supports Auracast, allowing you to connect multiple Auracast-enabled speakers for a synchronized audio experience. Refer to the JBL Portable app for detailed instructions on setting up Auracast.
5.5 Playtime Boost
To extend your speaker's battery life by up to 2 additional hours, activate the Playtime Boost feature via the JBL Portable app.
6. Maintenance
- Cleaning: Clean the speaker with a soft, damp cloth. Do not use harsh chemicals or abrasive materials.
- Waterproof/Dustproof Care: Ensure the USB-C port cover is securely closed before exposing the speaker to water or dust. After exposure to water, allow the speaker to dry completely before charging.
- Storage: Store the speaker in a cool, dry place when not in use for extended periods.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Cannot power on | Low battery | Charge the speaker fully. |
| Cannot pair via Bluetooth | Speaker not in pairing mode / Device out of range | Ensure speaker is in pairing mode (flashing LED). Move device closer to speaker. Restart both devices. |
| No sound | Volume too low / Paused / Not connected | Increase volume on speaker and device. Press play. Re-establish Bluetooth connection. |
| Poor sound quality | Device too far / Obstructions / Interference | Move device closer. Remove obstructions. Avoid interference sources. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | JBL |
| Model Name | JBL Go 4 |
| Model Number | GO4BLK/BPH |
| Connectivity Technology | Bluetooth |
| Speaker Maximum Output Power | 3 Watts |
| Frequency Response | 20 KHz |
| Audio Output Mode | Stereo |
| Battery Average Life | 7 Hours |
| Battery Charge Time | 2.5 Hours |
| Water Resistance Level | Waterproof (IP67) |
| Item Dimensions (D x W x H) | 1.7"D x 3.7"W x 3"H |
| Item Weight | 6.7 Ounces |
9. Warranty and Support
The JBL Go 4 Portable Bluetooth Wireless Speaker comes with a Limited 1-Year Manufacturer Warranty. For warranty claims or technical support, please contact JBL customer service or visit the official JBL website.
Manufacturer: JBL and Boomph
UPC: 850057797145