[{"id":300291260481,"handle":"notification-horns","title":"Notification Horns","updated_at":"2026-06-11T14:50:17-05:00","body_html":"\u003cp\u003eShop our selection of fire alarm and emergency notification horns from leading manufacturers including System Sensor, Eaton, Gentex, AXIS, Speco, and AtlasIED. Notification horns provide powerful audible alerts for fire alarm systems, emergency evacuation, and mass notification applications. Our inventory includes standalone horns, horn strobes (combination units), weatherproof outdoor models, explosion-proof horns for hazardous locations, IP network horn speakers with PoE, and self-amplified models with volume control. Available in various voltage options (12V, 24V, 120V AC) and mounting configurations for wall or ceiling installation. UL-listed devices essential for code-compliant fire alarm and life safety systems in commercial, industrial, and institutional facilities.\u003c\/p\u003e","published_at":"2026-01-08T11:52:44-06:00","sort_order":"best-selling","template_suffix":"abc","disjunctive":true,"rules":[{"column":"tag","relation":"equals","condition":"Fire \u003e Notification Appliances \u003e Notification Horn"}],"published_scope":"global","image":{"created_at":"2026-01-12T08:06:07-06:00","alt":null,"width":300,"height":300,"src":"\/\/www.fireandsafetyplus.com\/cdn\/shop\/collections\/a118a0e2-BK-MHR_1018833010_lg.jpg?v=1768226767"}},{"id":301937950785,"handle":"quick-order","title":"Quick Order","updated_at":"2026-06-11T23:42:50-05:00","body_html":null,"published_at":"2026-02-18T13:35:25-06:00","sort_order":"best-selling","template_suffix":"quick","disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0"}],"published_scope":"web"}]
The MGC FH-400-LF Low Frequency Sounder is designed to meet NFPA 72 requirements for sleeping areas operating within a frequency range of 520Hz +/- 10% square wave tone, ensuring the most effective alarm to awake individuals during emergencies.
Main Features
Fully meets NFPA 72 and CO low frequency sounder codes
Emits a 520Hz 10% square wave tone
Customizable Audible Patterns, features DIP switches for easy tone setting adjustments
Suitable for both wall and ceiling mounting
Mounts on single gang boxes, double gang boxes or 4″ square boxes
Dual power compatibility; engineered to operate seamlessly on both VDC or VFWR
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