Federal Signal A4 4" Heavy-Duty Gong, Gray

When loud, dependable notification matters, the Federal Signal A4 4-inch Heavy‑Duty Gong provides a powerful solution for industrial and commercial alarm systems. This Federal Signal fire bell produces a continuous, attention‑grabbing tone—typically 98–102 dBA at 10 feet—so staff, contractors and security teams can respond immediately to fire, safety or security events. Built for durability, the gray, wall‑mount gong accepts Vibratone modular mechanisms (Model 500 and 600) to support a range of voltage options, simplifying retrofits and new installations. UL/cUL listing, CSA certification and an optional Type 3R weatherproof back box make the A4 suitable for indoor and outdoor deployments tied to fire alarm, security and monitoring systems. The heavy‑duty design reduces maintenance and extends service life, while the 5‑year limited warranty gives procurement and facilities managers peace of mind. Upgrade your site’s audible notification capability with a proven Federal Signal gong—contact sales or add to cart to specify voltage and mounting accessories for your application.

• Delivers a clear, high-decibel audible alert to ensure personnel hear critical warnings across industrial and commercial sites
• Rugged, heavy‑duty construction with wall‑mount form factor and optional weatherproof back box for reliable outdoor or indoor use
• Modular design fits the A4 4‑inch gong with compatible vibrating mechanisms (Model 500/600) for flexible voltage options and easy installation
• UL/cUL listed and CSA certified for code compliance, backed by a 5‑year limited warranty for long-term reliability and reduced downtime
• Ideal for fire alarm, security and monitoring applications where dependable notification is required (warehouses, plants, schools, and surveillance centers)