1. Introduction
This manual provides essential instructions for the safe and efficient use of your JBL Go 4 Portable Bluetooth Speaker. Please read this guide thoroughly before operating the device to ensure optimal performance and longevity.
2. Package Contents
Verify that all items are present in your product packaging:
- 1 x JBL Go 4 Portable Bluetooth Speaker
- 1 x Type-C USB Cable
- 1 x Quick Start Guide
- 1 x Safety Sheet
- 1 x Warranty Card
3. Product Overview
Familiarize yourself with the components and controls of your JBL Go 4 speaker.
Figure 3.1: Front-side view of the JBL Go 4 speaker, showcasing its compact design and integrated loop.
Figure 3.2: Top view of the JBL Go 4 speaker, highlighting the control buttons for power, Bluetooth pairing, volume adjustment, and play/pause.
Figure 3.3: Side view of the JBL Go 4 speaker, showing the dedicated power and Bluetooth pairing buttons.
Figure 3.4: Diagram illustrating the dimensions of the JBL Go 4 speaker: 9.4 cm (length), 4.2 cm (width), and 7.5 cm (height).
4. Setup
4.1. Charging the Speaker
- Connect the provided Type-C USB cable to the charging port on the JBL Go 4 speaker.
- Connect the other end of the USB cable to a compatible USB power adapter (not included).
- The LED indicator will show charging status. A full charge typically takes approximately 3 hours.
4.2. Powering On/Off
- To power on, press and hold the Power button until the indicator light illuminates.
- To power off, press and hold the Power button again until the indicator light turns off.
4.3. Bluetooth Pairing
- Power on the JBL Go 4 speaker.
- Press the Bluetooth button on the speaker. The LED indicator will flash blue, indicating it is in pairing mode.
- On your mobile device, navigate to the Bluetooth settings and select "JBL Go 4" from the list of available devices.
- Once connected, the Bluetooth LED indicator will turn solid blue.
5. Operating Instructions
5.1. Audio Playback
- After successful Bluetooth pairing, begin playing audio from your connected device.
- Use the Play/Pause button on the speaker to control playback.
- Adjust volume using the Volume Up (+) and Volume Down (-) buttons on the speaker or your connected device.
5.2. Multi-Speaker Connection (Auracast)
The JBL Go 4 supports Auracast for connecting multiple compatible speakers.
- Ensure all JBL Auracast-enabled speakers are powered on and in close proximity.
- On the primary speaker (the one connected to your device), press the Auracast button.
- On the secondary speakers, press the Auracast button. They will automatically connect to the primary speaker.
- For stereo sound, pair two Go 4 speakers via the JBL Portable app.
5.3. Playtime Boost
To extend battery life, activate Playtime Boost:
- Press the Playtime Boost button (if available, or refer to the Quick Start Guide for specific button functionality). This feature can add up to 2 hours of playback time.
6. Features
- Ultra-portable JBL Pro Sound: Delivers powerful audio with enhanced bass from a compact form factor.
- Extended Playtime: Offers up to 7 hours of audio playback on a single charge, with an additional 2 hours available via Playtime Boost.
- Waterproof and Dustproof: Rated IP67, making it suitable for various outdoor environments and resistant to water immersion and dust ingress.
- Multi-speaker Connectivity: Supports Auracast for wireless connection with multiple JBL Auracast-enabled speakers, allowing for expanded soundscapes or stereo pairing.
- Sustainable Design: Constructed with post-consumer recycled plastic and fabric for the speaker grille, and packaged in FSC-certified paper using soy ink.
7. Maintenance
7.1. Cleaning
- Ensure the speaker is powered off and disconnected from any charging cables before cleaning.
- Wipe the exterior with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners.
- For stubborn dirt, a mild soap solution can be used, followed by wiping with a clean, damp cloth.
- Allow the speaker to dry completely before use or charging.
7.2. Storage
- Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for an extended period, charge the battery to approximately 50% to preserve battery health.
7.3. Battery Care
- Avoid fully discharging the battery frequently.
- Do not expose the battery to temperatures above 60°C (140°F).
8. Troubleshooting
If you encounter issues with your JBL Go 4 speaker, refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| Speaker does not power on | Ensure the battery is charged. Connect the speaker to a power source using the Type-C USB cable. |
| Cannot pair via Bluetooth | Ensure the speaker is in pairing mode (flashing blue LED). Turn off and on Bluetooth on your device. Move the speaker closer to your device. Forget the device from your phone's Bluetooth list and try pairing again. |
| No sound or low volume | Increase the volume on both the speaker and your connected device. Ensure the speaker is properly paired. Check if the audio source is playing. |
| Auracast connection issues | Ensure all speakers are Auracast-enabled and within range. Follow the multi-speaker connection steps carefully. |
9. Specifications
| Specification | Detail |
|---|---|
| Model Name | JBL Go 4 |
| Speaker Type | Portable Speaker |
| Mounting Type | Built-in Loop |
| Special Features | Dustproof, Lightweight, Portable, Stereo Pairing, Waterproof |
| Compatible Devices | Smartphone, Tablet, MP3 Player, Desktop, Television, Projector, Laptop |
| Surround Sound Channel Configuration | 2.0 |
| Item Weight | 0.19 Kilograms (6.7 ounces) |
| Waterproof Rating | IP67 |
| Control Method | Touch |
| Wireless Communication Technology | Bluetooth |
| Power Source | Battery Powered (1 Lithium Ion battery included) |
| Audio Driver Type | Dynamic Driver |
| Speaker Maximum Output Power | 5 Watts |
| Frequency Response | 90 Hz |
| Connectivity Technology | Bluetooth |
| Audio Output Mode | Mono |
| Product Dimensions | 3.7 x 1.7 x 3 inches |
| UPC | 703670549717 |
10. Warranty and Support
The JBL Go 4 Portable Bluetooth Speaker comes with a limited warranty. Please refer to the included Warranty Card for detailed terms and conditions regarding coverage and duration.
For technical support, product registration, or further assistance, please visit the official JBL support website or contact their customer service department. Contact information can typically be found on the JBL website or in the Quick Start Guide.
