Eaton STH-15SR Supervised Horn Loudspeaker, Adjustable Mounting, 25/70V, 15W, Indoor or Outdoor, Red

Built for dependable emergency notification and perimeter warning, the Eaton STH-15SR supervised horn loudspeaker delivers clear, long-range audio where it matters most. This horn loudspeaker combines a high-efficiency 15W compression driver with a screwdriver-adjustable 25/70V, 7-position transformer to let installers tailor output to coverage areas and integrate seamlessly with fire alarm and security panels. With 101 dB sensitivity and a frequency range optimized for speech intelligibility, the STH-15SR ensures announcements and alarm tones cut through ambient noise—critical for security, surveillance monitoring, and emergency mass notification.

Constructed from weather- and vandal-resistant aluminum with recessed terminals and a universal mounting bracket, this red Eaton horn is engineered for both indoor and outdoor use in schools, hospitals, industrial sites, and transportation hubs. ULC certification supports compliance in monitored life-safety and fire alarm applications. Specify the STH-15SR when you need a rugged, code-ready horn loudspeaker that simplifies installation and maximizes audible coverage. Contact your Eaton distributor or add to your system design for reliable audible protection.

• Flexible power selection with a screwdriver-adjustable 7-position 25/70V transformer, enabling precise coverage and easier acoustic zoning
• High-efficiency 15W compression driver delivers clear, intelligible audio and up to 101 dB output for reliable notification and alerting
• Weather- and vandal-resistant aluminum housing protects against corrosion and moisture for dependable indoor or outdoor installation
• Supervised design and ULC approval ensure code-compliant performance for fire alarm, emergency notification and security systems
• Recessed terminals and universal mounting bracket simplify installation and reduce tampering for faster deployment on walls or structures