The Simplex 4905-9989 Horn/Speaker Cover represents a critical component in comprehensive fire alarm notification systems, engineered specifically for commercial and industrial life safety infrastructure. Designed as a precision replacement part for Simplex TrueAlert notification appliances, this white protective cover ensures optimal acoustic performance and aesthetic integration within complex fire alarm communication networks.
Precision-manufactured for seamless compatibility with Simplex addressable notification systems, this horn/speaker cover provides essential protection for critical audio signaling components. Fire alarm professionals will appreciate its robust construction and engineering that maintains critical equipment integrity while supporting reliable emergency communication protocols across diverse commercial environments.
Key Features
- Compatible with Simplex TrueAlert notification appliance series
- White finish supports clean, professional installation aesthetic
- Engineered for precise mechanical alignment and acoustic performance
- Constructed from high-durability thermoplastic materials
- Supports standard mounting configurations in commercial fire alarm systems
- Meets rigorous UL 464 and NFPA 72 notification appliance standards
Typical Installation Contexts
- Corporate office complexes
- Educational facilities
- Healthcare campuses
- Manufacturing and industrial environments
- Institutional and government buildings
Technical Specifications
While specific dimensional data may vary, this Simplex cover is designed for standard TrueAlert notification appliance mounting configurations. Fire alarm technicians should verify precise mechanical compatibility during system assessment and installation.
Professional installers are advised to consult current Simplex technical documentation and verify system-specific requirements before component replacement or integration. Proper installation requires adherence to manufacturer guidelines and applicable national/local fire safety regulations.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.5 lbs |
|---|---|
| Dimensions | 6 × 5.5 × 1.6 in |
| Condition | New |
| Manufacturers | Simplex |
| Part Type | Replacement Part |






