JBL JBLGO4BLKAM

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JBL Go 4 Ultra-Portable Bluetooth Speaker User Manual

Model: JBLGO4BLKAM

Brand: JBL

1. Introduction

The JBL Go 4 is an ultra-portable, waterproof, and dustproof Bluetooth speaker designed to deliver clear, loud JBL Pro Sound with rich, punchy bass wherever you go. Its compact size and integrated loop make it highly convenient for travel and outdoor activities. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your JBL Go 4 speaker.

Key Features:

  • Ultra-portable JBL Pro Sound with punchier bass: Experience powerful audio from a compact design.
  • Up to 7 hours of playtime plus 2 hours with Playtime Boost: Enjoy extended listening sessions with an additional boost when needed.
  • Waterproof and dustproof (IP67): Designed to withstand immersion in water and protect against dust ingress, making it ideal for outdoor use.
  • Multi-speaker connection by Auracast: Pair two Go 4 speakers for stereo sound or connect multiple JBL Auracast-enabled speakers for a larger soundstage.
  • Made in part with recycled materials: Constructed with post-consumer recycled plastic and fabric for the speaker grille, and packaged in FSC-certified paper with soy ink.

2. What's in the Box

Ensure all items are present upon unboxing your JBL Go 4 speaker:

  • 1 x JBL Go 4 Speaker
  • 1 x Type-C to Type-A charging cable
  • 1 x Quick Start Guide
  • 1 x Warranty Card and Safety Sheet

3. Product Overview

Familiarize yourself with the components and controls of your JBL Go 4 speaker.

JBL Go 4 Ultra-Portable Bluetooth Speaker in Black

Figure 3.1: Front-angled view of the JBL Go 4 speaker in black, showcasing its compact design and integrated loop.

JBL Go 4 speaker with dimensions labeled

Figure 3.2: The JBL Go 4 speaker with its approximate dimensions: 3.7 inches (depth) x 1.7 inches (width) x 3 inches (height).

Top view of JBL Go 4 showing control buttons

Figure 3.3: Top view of the JBL Go 4, displaying the volume down (-), play/pause (triangle), and volume up (+) buttons.

Side view of JBL Go 4 showing power, Bluetooth, and Auracast buttons

Figure 3.4: Side view of the JBL Go 4, showing the power, Bluetooth pairing, and Auracast buttons.

Cutaway view of JBL Go 4 showing internal speaker and passive radiators

Figure 3.5: An illustrative cutaway view of the JBL Go 4, highlighting its internal speaker driver and passive radiators for enhanced bass.

4. Setup

4.1 Charging the Battery

Before first use, fully charge your JBL Go 4 speaker. Connect the included Type-C to Type-A charging cable to the USB-C port on the speaker and a compatible USB power source. The charging time is approximately 7 hours for a full charge.

4.2 Power On/Off

  • To power on: Press the Power button (Power button icon) located on the side of the speaker.
  • To power off: Press and hold the Power button until the speaker turns off.

4.3 Bluetooth Pairing

To connect your JBL Go 4 to a Bluetooth-enabled device (smartphone, tablet, laptop):

  1. Power on the JBL Go 4 speaker.
  2. Press the Bluetooth button (Bluetooth button icon) on the side of the speaker. The Bluetooth indicator light will flash, indicating it's in pairing mode.
  3. On your device, enable Bluetooth and search for available devices.
  4. Select "JBL Go 4" from the list of devices.
  5. Once connected, the Bluetooth indicator light will turn solid.

4.4 Multi-Speaker Connection (Auracast)

For an enhanced audio experience, you can wirelessly connect multiple JBL Auracast-enabled speakers, including two Go 4s for stereo sound:

  1. Ensure all JBL Auracast-enabled speakers are powered on.
  2. On the first speaker (primary), press the Auracast button (Auracast button icon).
  3. On the secondary speakers you wish to connect, also press the Auracast button.
  4. The speakers will automatically connect, and audio will play across all linked devices.

5. Operating Instructions

5.1 Basic Controls

  • Play/Pause: Press the Play button (triangle) once.
  • Volume Up: Press the Volume Up button (+) to increase volume.
  • Volume Down: Press the Volume Down button (-) to decrease volume.
  • Skip Track Forward: Double-press the Play button.
  • Skip Track Backward: Triple-press the Play button.

5.2 Playtime Boost

To extend your battery life by up to 2 additional hours, tap the Playtime Boost feature. This feature optimizes power consumption for longer playback.

JBL Go 4 speakers with people, highlighting playtime boost

Figure 5.1: The JBL Go 4 offers up to 7 hours of playtime, with an additional 2 hours available via the Playtime Boost feature.

6. Maintenance

6.1 Cleaning

Due to its IP67 waterproof and dustproof rating, the JBL Go 4 can be easily cleaned. Use a soft, damp cloth to wipe down the speaker. For stubborn dirt, a mild soap solution can be used. Ensure the USB-C port cover is securely closed before cleaning with water. Do not use abrasive cleaners or solvents.

JBL Go 4 speaker on wet sand with waves, highlighting waterproof and dustproof features

Figure 6.1: The JBL Go 4 is designed to be waterproof and dustproof, making it suitable for various environments.

6.2 Storage

When not in use for extended periods, store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. It is recommended to fully charge the battery before storing to maintain battery health.

7. Troubleshooting

If you encounter issues with your JBL Go 4 speaker, refer to the following common solutions:

ProblemPossible CauseSolution
Speaker does not power onLow battery; Power button not pressed correctlyCharge the speaker fully; Press and hold the Power button firmly.
No soundVolume too low; Device not connected; Speaker mutedIncrease volume on speaker and device; Re-pair Bluetooth; Check device's mute settings.
Bluetooth pairing failsSpeaker not in pairing mode; Device out of range; InterferencePress Bluetooth button to enter pairing mode; Move device closer to speaker; Turn off other Bluetooth devices.
Poor sound qualityLow battery; Device too far; ObstructionsCharge the speaker; Move device closer; Remove obstructions between speaker and device.
Auracast connection issuesSpeakers not in Auracast mode; Too many speakers; DistanceEnsure all speakers are in Auracast pairing mode; Reduce number of connected speakers if experiencing instability; Keep speakers within close proximity.

Factory Reset:

If issues persist, a factory reset may resolve them. Consult the official JBL support website or the included Quick Start Guide for specific factory reset instructions for the JBL Go 4, as this procedure can vary by model.

8. Specifications

FeatureDetail
Model NameJBL Go 4
Item Model NumberJBLGO4BLKAM
Speaker TypeOutdoor
Connectivity TechnologyBluetooth
Wireless Communication TechnologyBluetooth
Bluetooth ProtocolBluetooth
Water Resistance LevelWaterproof (IP67)
Dustproof RatingIP67
Battery Life7 Hours (up to 9 hours with Playtime Boost)
Charging Time7 Hours
Power SourceBattery Powered (1 Lithium Ion battery included)
Speaker Maximum Output Power4.2 Watts
Audio Output ModeStereo
Product Dimensions3.7"D x 1.7"W x 3"H
Item Weight0.19 Kilograms (6.7 ounces)
MaterialPlastic
Control MethodTouch
Compatible DevicesSmartphone, Tablet, Laptop
UPC050036399289

9. Warranty and Support

The JBL Go 4 speaker comes with a Limited Warranty. Please refer to the included Warranty Card and Safety Sheet for detailed information regarding warranty coverage, terms, and conditions. For technical support, product registration, or further inquiries, visit the official JBL support website or contact their customer service. Keep your proof of purchase for warranty claims.

© 2025 JBL. All rights reserved.

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