The Bosch PRA-EOL End-of-Line Device is a highly efficient and compact solution designed for loudspeaker line supervision. It ensures continuous fault detection in amplifiers without requiring additional wiring, making it a cost-effective and reliable solution for long loudspeaker lines.
This device operates using a low-level, high-frequency pilot tone, allowing it to monitor speaker performance without interfering with audio quality. The PRA-EOL is engineered for flexible mounting, making installation seamless in various public address and voice alarm systems.
By integrating the PRA-EOL, users can prevent system failures, improve maintenance efficiency, and enhance overall audio security. Ideal for commercial buildings, transportation hubs, and emergency systems, this end-of-line device is an essential component for high-performance audio management.

