4-TONE SOUNDER & BEACON/SOUNDER (MODEL D-145 & D-155)

DEMCO Electronic Sounder D-145 and Sounder/Beacon D-155’s compact design is acoustically very efficient, capable of generating high sound output at low current levels. Both models have a wide angle uniform sound distribution providing good audibility in all directions, thus making them ideal for fire, security and hazard warning. These conventional wall mount devices are available in 4 alarm tones (DC) with locally controllable output levels capable of adjusting the sound intensity to suit intended application. Both D-145 and D-155 operate over a wide input voltage range, and if required, a second stage alarm can be switched to override the selected tone by using a third wire. These versatile features allow both models to work seamlessly with most detection systems incorporating central control equipment.

Combining performance and functionality, DEMCO D-145 and D-155 are designed to be fully comply with EN54 and if you need additional protection for your outdoor applications there are always IP65 rated D-145WP and D-155WP at your disposal. For general purpose applications, AC version of these beautiful looking devices are available as D-145AC and D-155AC albeit in 3 alarm tones.