Edwards G4LFWF-HVM. Low Frequency Horn Strobe.

The Edwards Signaling G4LFWF-HVM Low Frequency Horn/Strobe is a high-performance notification appliance designed to provide both audible and visual alerts for fire and life safety systems. Operating at 24VDC, this device delivers a 520 Hz low-frequency tone specifically engineered to meet modern sleeping area requirements as defined by NFPA 72 and UL 464 standards. Its white housing with “FIRE” marking ensures clear visibility and identification in all environments.

The G4LFWF-HVM combines a powerful horn with a bright strobe, creating an effective and reliable alert system suitable for commercial, residential, and institutional applications. Because it uses high-efficiency LED strobe technology, it consumes less power while maintaining strong, consistent illumination during emergencies.

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Features and Benefits

The Edwards Signaling G4LFWF-HVM Low Frequency Horn/Strobe offers multiple advantages that make it a top choice for fire alarm professionals:

• 520 Hz low-frequency tone provides optimal waking effectiveness for sleeping occupants.

• White housing with “FIRE” marking for clear identification.

• Energy-efficient LED strobe ensures consistent brightness with lower current draw.

• Field-selectable candela settings (15, 30, 75, 110 cd) for flexible installation.

• 24VDC operation for standard fire alarm system compatibility.

• Synchronizable strobe and horn operation with compatible Edwards control modules.

• Durable and attractive low-profile design blends with any interior.

As a result, the G4LFWF-HVM ensures effective notification while reducing energy use and simplifying system design.

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Applications

The Edwards Signaling G4LFWF-HVM is ideal for a wide variety of applications that require both visual and audible alerts, such as:

• Hotels, apartments, and dormitories (sleeping areas)

• Commercial and office buildings

• Hospitals and healthcare facilities

• Educational institutions

• Government and industrial complexes

In each of these environments, the G4LFWF-HVM provides clear, code-compliant notification that enhances life safety and ensures occupants respond quickly during an emergency.

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Installation Benefits

Because the G4LFWF-HVM is part of the Edwards Genesis LED Series, it offers simple installation with a universal mounting plate and convenient wiring terminals. The unit’s field-selectable settings allow installers to tailor both sound and light output based on room size and system requirements. Furthermore, its low current draw reduces demand on the notification appliance circuit (NAC), improving overall system efficiency.

The synchronizable horn and strobe functions also prevent overlapping signals, providing a more controlled and effective alert environment throughout a facility.

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Reliable System Integration

When integrated into an Edwards fire alarm system, the G4LFWF-HVM ensures seamless communication and synchronized operation across multiple notification appliances. Its LED technology and low-frequency tone design meet current UL and NFPA standards, making it a future-ready solution for compliance and safety.