SIMPLEX (8566-521) 4100U 100W AMP BD
Upgrade and maintain system performance with the Simplex 8566-521, a fire alarm system component engineered for seamless integration and dependable operation across Simplex fire alarm architectures.
- Purpose-built Fire Alarm System Component for Simplex systems
- Designed for use with Simplex 4100-series panels and accessories
- Engineered for reliability and long service life
- Streamlines installation and maintenance
- Backed by industry-leading Simplex quality
- Ideal for commercial, institutional, and industrial facilities
Choose Simplex components to help ensure code compliance, clear communication, and long-term reliability.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
The Simplex 8566-521 is a 100W amplifier board replacement for Simplex 4100U fire alarm control panels. Find compatible Commercial Fire Alarm Speaker Replacement parts and Fire Alarm Power Supplies, as well as the full range of Simplex Addressable & Conventional Fire Alarm Parts, at Life Safety Consultants.
Additional information
| Weight | 2 lbs |
|---|---|
| Dimensions | 13 × 10 × 5 in |





