The Bosch FNM-420-A-BS-RD Indoor Base Sounder is a high-performance fire alarm sounder designed for commercial and industrial applications. With a powerful audible output, it ensures instant and effective fire alerts, enhancing safety compliance in public buildings, offices, and factories.
Featuring seamless integration with Bosch fire detection systems, the FNM-420-A-BS-RD supports quick and reliable emergency responses. Its compact, red-colored design ensures high visibility, making it ideal for areas where clear alarm indication is essential.
Built for durability and efficiency, this base sounder is easy to install, low-maintenance, and engineered to deliver consistent alarm performance. It is an essential component for any modern fire safety system requiring efficient audio alerts.

