Harman-Kardon GB4 manual Important Safety Warnings

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IMPORTANT SAFETY WARNINGS

THIS UNIT MUST BE EARTHED

Under no circumstances should the mains earth be disconnected from the mains

lead.

The wires in the mains lead are coloured in accordance with the following code:

Earth:

Green and Yellow (Green/Yellow - US)

Neutral:

Blue (White -

US)

Live:

Brown (Black

- US)

As the colours of the wires in the mains lead may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:

The wire which is coloured Green and Yellow must be connected to the terminal in the plug which is marked with the letter E or by the earth symbol.

The wire which is coloured Blue must be connected to the terminal in the plug which is marked with the letter N. The wire which is coloured Brown must be connected to the terminal in the plug which is marked with the letter L.

Ensure that these colour codings are followed carefully in the event of the plug being changed.

To avoid the risk of fire, replace the mains fuse only with the correct value fuse,

as marked on the rear panel.

The internal power supply unit contains no user serviceable parts. Refer all servicing to a qualified service engineer, through the appropriate Soundcraft dealer.

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GB4 User Guide

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Contents GB4 User Guide GB4 User GuideGB4 User Guide Contents GB4 User Guide Introduction Key Features Warranty Equipment means the equipment supplied with this manualGB4 User Guide Installation Safety Symbol GuideImportant Safety Warnings GB4 User Guide Power Cable Mains InstallationGeneral Precautions General Wiring ProceduresAudio Wiring Initial Wiring ConsiderationsShielding Working Safely with Sound Points to RememberTroubleshooting Setting Up & TroubleshootingInitial set-up Optional External Power Supply Meters not showing any signalAudio Connector Pinouts Dimensions Block Diagrams Mono Input Stereo Input Talkback and Stereo Returns Group/Aux/Matrix Outputs Master Section Using The Console MID Rear Connectors Insert 1/4 TRS JackSTE1 Pin Ground Signal Hot GB4 Groups Monitoring & PFL C OutputsREC/ALT Outputs Master MutesStereo Returns Rear Connector PanelTalkback PSU Monitor LEDsJack Typical Specifications GB4 User Guide Mark-up Sheets MIC Gain STE1 STE2 GB4 User Guide

GB4 specifications

The Harman-Kardon GB4 is a sophisticated outdoor speaker designed to enhance audio experiences in outdoor settings. It stands out for its combination of style, durability, and rich sound quality, making it suitable for both casual listening and more intense audio demands during outdoor gatherings.

One of the key features of the GB4 is its rugged design. Built to withstand the elements, it boasts an IP67 rating, which makes it dust-tight and water-resistant. This means you can confidently use the speaker in various outdoor environments, whether it’s a sunny day at the beach or a rainy evening on the patio. The robust construction is complemented by a sleek exterior, allowing it to blend seamlessly into outdoor decor while also making a statement of elegance.

The sound quality of the Harman-Kardon GB4 is another highlight. With advanced audio technologies, including the use of dual passive radiators, the speaker produces a rich and balanced sound that fills outdoor spaces beautifully. Whether listening to music, podcasts, or enjoying a movie night under the stars, users can expect clear highs, pronounced mids, and deep lows. The speaker's 360-degree sound projection ensures that the audio experience is immersive from every angle.

Connectivity is also a strong point of the GB4. Equipped with Bluetooth technology, it allows for easy pairing with a range of devices, including smartphones, tablets, and laptops. The connection is stable, which means you can roam freely while enjoying your favorite tunes without interruption. Additionally, the GB4 supports voice assistants, making it easy to control your music or access information hands-free.

Another innovative feature is its long battery life. The GB4 can provide hours of uninterrupted playback, making it a great companion for all-day picnics or evening gatherings. When it’s time to recharge, the process is quick and efficient, ensuring you won't be away from your music for long.

Overall, the Harman-Kardon GB4 encapsulates the perfect blend of durability, high-quality sound, and modern connectivity. It adds a touch of sophistication to any outdoor setting while delivering audio performance that meets the demands of music lovers and casual listeners alike. With its stylish design and advanced features, the GB4 represents a significant advancement in portable outdoor speakers, ensuring that wherever you go, your sound follows.
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