Introduction
Welcome to the user manual for your JBL Go 4 Ultra-Portable Bluetooth Speaker. This guide provides essential information on setting up, operating, maintaining, and troubleshooting your device. The JBL Go 4 is designed for portability, offering robust sound in a compact, waterproof, and dustproof form factor.
What's in the Box
Please check that all items are present:
- 1 x JBL Go 4 Speaker
- 1 x Type-C to Type-A Charging Cable
- Quick Start Guide
- Safety Sheet
- Warranty Card
Product Overview
Familiarize yourself with the components and controls of your JBL Go 4 speaker.

Figure 1: Front view of the JBL Go 4 speaker, showcasing its compact design, blue fabric finish, and prominent JBL logo.

Figure 2: Angled view highlighting the top control buttons (volume up/down, play/pause) and the integrated carrying loop.

Figure 3: Side view displaying the power button, Bluetooth pairing button, Auracast button, and battery indicator.

Figure 4: Bottom view revealing the USB-C charging port and a transparent overlay showing the internal speaker components.
Setup
1. Charging the Battery
Before first use, fully charge your JBL Go 4 speaker. Use the included Type-C to Type-A charging cable and connect it to a compatible USB power source. The battery indicator will show charging status. A full charge takes approximately 9 hours.
2. Powering On/Off
- To power on, press the Power button (refer to Figure 3).
- To power off, press and hold the Power button until the indicator light turns off.
3. Bluetooth Pairing
To connect your JBL Go 4 to a Bluetooth-enabled device (e.g., smartphone):
- Power on the JBL Go 4.
- Press the Bluetooth button (refer to Figure 3). The Bluetooth indicator light will flash, indicating it's in pairing mode.
- On your device, enable Bluetooth and search for available devices.
- Select "JBL Go 4" from the list. Once connected, the Bluetooth indicator light will turn solid.
Operating Instructions
Basic Controls
- Volume Up/Down: Press the + or - buttons on the top of the speaker (refer to Figure 2).
- Play/Pause: Press the Play/Pause button (triangle icon) on the top of the speaker.
- Skip Track: Double-press the Play/Pause button to skip to the next track.
Auracast Multi-Speaker Connection
The JBL Go 4 supports Auracast for connecting multiple compatible JBL speakers for a larger sound experience.
- Ensure all JBL Auracast-enabled speakers are powered on.
- On the primary speaker (connected to your device), press the Auracast button (refer to Figure 3).
- On other JBL Auracast-enabled speakers, also press the Auracast button. They will automatically connect to the primary speaker.
Playtime Boost
To extend battery life by up to 2 additional hours, activate the Playtime Boost feature. Refer to the Quick Start Guide for specific instructions on how to enable this feature, typically through the JBL Portable app or a specific button combination.

Figure 5: The JBL Go 4 offers extended playtime, suitable for longer listening sessions.
Maintenance
Cleaning
The JBL Go 4 is waterproof and dustproof (IP67 rated). To clean, gently wipe the speaker with a damp cloth. Do not use harsh chemicals or abrasive materials. Ensure the USB-C port cover is securely closed before exposing the speaker to water or dust.

Figure 6: The JBL Go 4 is designed to be waterproof and dustproof, making it suitable for outdoor use.
Battery Care
- Avoid fully discharging the battery frequently.
- Charge the speaker regularly, even if not in use, to maintain battery health.
- Store the speaker in a cool, dry place away from extreme temperatures.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Speaker does not power on | Ensure the battery is charged. Connect to a power source using the USB-C cable. |
| Cannot pair via Bluetooth | Ensure the speaker is in pairing mode (flashing Bluetooth light). Turn off and on Bluetooth on your device. Move closer to the speaker. |
| No sound or low volume | Increase volume on both the speaker and your connected device. Ensure the speaker is not muted. |
| Poor sound quality | Move your device closer to the speaker to avoid interference. Ensure no obstacles are between the devices. |
| Auracast connection issues | Ensure all speakers are Auracast-enabled and within range. Re-initiate pairing on all speakers. |
Specifications
- Model Name: JBL Go 4
- Model Number: JBLGO4BLUAM
- Dimensions (H x W x D): 3.7" x 1.7" x 3" (approximately 9.4 cm x 4.2 cm x 7.5 cm)
- Item Weight: 190 Grams (6.7 ounces)
- Material: Plastic
- Speaker Type: Outdoor, Portable Bluetooth Speaker
- Connectivity: Bluetooth
- Bluetooth Range: Up to 33 Feet (10 meters)
- Power Source: Battery Powered (1 Lithium Ion battery included)
- Battery Capacity: 2000 mAh
- Charging Time: Approximately 9 Hours
- Playtime: Up to 7 hours (plus 2 hours with Playtime Boost)
- Water Resistance Level: IP67 (Waterproof and Dustproof)
- Speaker Maximum Output Power: 180 Watts
- Frequency Response: Up to 20000 Hz
- Audio Output Mode: Stereo
- Included Components: JBL Go 4, Type-C to Type-A charging cable, Quick Start Guide, Safety Sheet, Warranty Card

Figure 7: Dimensions of the JBL Go 4 speaker.
Warranty and Support
Warranty Information
The JBL Go 4 comes with a limited warranty. Please refer to the included Warranty Card for detailed terms and conditions, including coverage period and claim procedures. Keep your proof of purchase for warranty service.
Customer Support
For further assistance, technical support, or service inquiries, please visit the official JBL website or contact JBL customer service. Contact details can typically be found on the JBL website or in the included documentation.







