Bosch PLN-1EOL End-Of-Line Supervision Board

Reliable End-of-Line Monitoring for 100V Loudspeaker Systems
The Bosch PLN-1EOL Plena End-of-Line Board ensures continuous monitoring of 100V loudspeaker lines by detecting the presence of a pilot tone. This essential device enhances the reliability of public address and voice evacuation systems by alerting users to any potential issues in the loudspeaker wiring.

Efficient Pilot Tone Detection with LED Indicators
Designed for seamless integration into Bosch systems, this end-of-line board accurately detects pilot tones and provides real-time LED indication. This feature allows operators to quickly identify faults and ensure that all connected loudspeakers are functioning correctly.

Expandable Monitoring with Daisy-Chaining Capability
The PLN-1EOL supports daisy-chaining, enabling multiple boards to be connected in series for monitoring multiple zones through a single input contact. This scalable functionality makes it ideal for large installations requiring reliable supervision across multiple speaker zones.

Compact Design for Easy Installation
The board is designed to fit securely on built-in mounts found on select Bosch loudspeakers, making installation quick and hassle-free. Its compact form factor ensures that it can be discreetly integrated into the system without affecting performance or aesthetics.

Certified for Safety and Compliance
The Bosch PLN-1EOL meets EN 54-16 certification requirements, ensuring it adheres to industry standards for voice alarm systems. This compliance makes it a trusted choice for emergency notification and life safety applications.