Honeywell VARIODYN D1 4XD500 Paging Power Amplifier

The Honeywell VARIODYN D1 4XD500 is a high-performance 4-channel paging power amplifier designed for voice alarm and public address systems. It delivers reliable 100 V audio output for emergency announcements, evacuation messaging, and daily paging, ensuring clear and uninterrupted communication even during power failures through its 24 V DC emergency power supply.

Where It Can Be Used

The VARIODYN D1 4XD500 is ideal for large and safety-critical facilities where reliable voice communication is mandatory. It is commonly used in:

• Commercial buildings and malls
• Airports and railway stations
• Industrial plants and factories
• Hospitals and healthcare facilities
• Educational campuses
• Hotels, convention centers, and high-rise buildings
  Fully compatible with the VARIODYN D1 voice alarm system, it integrates seamlessly into EN 54-16 compliant installations.

Honeywell VARIODYN D1 4XD500 – 4-Channel Paging Power Amplifier

The Honeywell 4XD500 is a Class D, four-channel 100 V paging amplifier delivering 4 × 500 W nominal output power with efficiency above 80%. Each amplifier channel operates independently, allowing flexible zoning and high system reliability.

The amplifier is controlled and monitored via VARIODYN D1 DOM modules (DOM4-8 / DOM4-24), ensuring real-time system supervision. Integrated electronic protection safeguards the system against thermal overload and short circuits, while automatic reconnection restores operation once safe temperature levels are reached.

Designed for emergency applications, the 4XD500 supports 230 V AC mains power and 24 V DC emergency battery backup, ensuring uninterrupted operation during power failures.

Advantages

• Four independent 100 V amplifier channels
• High output power of 4 × 500 W
• Energy-efficient Class D technology
• Automatic thermal and short-circuit protection
• Continuous monitoring via VARIODYN D1 DOM modules
• Supports emergency operation on 24 V DC
• EN 54-16 compliant for voice alarm systems
• Reliable performance in demanding environments

Areas We Serve

Fire Projects Pvt. Ltd. supplies, installs, and commissions Honeywell VARIODYN D1 amplifiers across Gujarat, including:
Ahmedabad, Vadodara, Surat, Rajkot, Vapi, Ankleshwar, Dahej, Sanand, Halol, and nearby industrial zones.
We cater to commercial, industrial, healthcare, infrastructure, and institutional projects.

Why Choose Fire Projects Pvt. Ltd.?

At Fire Projects Pvt. Ltd., we specialize in end-to-end voice alarm and fire safety solutions using trusted brands like Honeywell. From system design and supply to installation, testing, and AMC services, we ensure every project meets statutory compliance and safety standards.

 Contact Us: +91 98244 42333||Email: info@fireprojects.co.in||Website: www.fireprojects.co.in|Linkedin:- https://in.linkedin.com/company/fire-projects