Floyd Bell's AudioLarm® II Series, first developed, sold and launched in 1982 and the subject of continuous improvement and innovation, is a solid-state, environmentally secure piezo electric alarm that has become the most widely used industrial alarm in the world. This series has grown to become the industry's largest selection of piezo electric alarms.

The AudioLarm® II Series is available in four different tones (continuous, beep, warble & chime), features three sound output levels (extra loud, loud and medium), four beep rates (ultra-fast, fast, medium, slow) and two chime rates.

The AudioLarm® II Series features a wide operating voltage range, from 1 to 48 volts dc, and ac models to 220 volts. These alarms also offer low voltage and low current consumption, no R.F. interference, and no moving parts for high reliability and long life. Available mounting configurations include panel mount through a standard 1-1/8" round hole, as well as PC board mount. UL, and NEMA 4X on 07, 09 and 19 bodies with gasket. Available in four different terminations. Our optional shutter-type manual volume control provides variable attenuation of up to 20 dB.

AudioLarm® II Series alarms are epoxy encapsulated and polarity protected. The solid-state electronics are housed in a 94 V-O flame retardant, heavy-duty thermoplastic enclosure with a stainless steel, corrosion-resistant sound diaphragm. NEMA type 4X environmental security on 07, 09 and 19 bodies when used with optional gasket.

These powerful, rugged alarms have the highest output, and are the most water & vibration resistant sound devices of their kind in the world. All Floyd Bell alarms are water resistant. Best of all, they are 100% made in the U.S.A. For guaranteed delivery and unparalleled quality, you can count on Floyd Bell, the industry leader in audible alarm technology for over 30 years.