Bosch PRA-EOL-US End-of-Line Device, US, Red

Ensure reliable loudspeaker line supervision and faster troubleshooting with the Bosch PRA-EOL-US End-of-Line Device. Purpose-built for fire voice evacuation systems and security/monitoring installations, this compact Bosch device monitors 100V loudspeaker lines and detects amplifier-side faults without the need for additional wiring — saving labor and reducing service time. Its low-level, high-frequency pilot tone maintains accurate supervision on both short and extended runs, helping maintain compliance and uninterrupted evacuation voice announcements. The PRA-EOL-US ships in a high-visibility red housing (2.36" W x 3.97" D x 0.62" H) that fits neatly in racks, junction boxes, or field enclosures and supports clean, professional installations. Ideal for integrators and facility managers, it strengthens overall surveillance and safety systems by providing dependable end-of-line supervision for loudspeaker networks. Upgrade your voice evacuation or security audio system with this efficient Bosch end-of-line device to reduce false alarms and speed up diagnostics. Add to your next installation or retrofit to improve monitoring and uptime.

• Enables amplifier-level fault detection without extra wiring, reducing installation time and ongoing maintenance costs
• Compact, visible red housing (2.36" x 3.97" x 0.62") for easy placement and clear system identification
• Low-level, high-frequency pilot tone provides accurate loudspeaker line supervision over long 100V runs
• Improves system reliability for fire voice evacuation, security and monitoring applications to minimize downtime
• Flexible mounting options allow integration into existing racks, enclosures or field wiring closets