55 and 56 Resonating Horns

Model 55 - 24VAC and 120VAC
Model 56 - 24VDC, 125VDC and 250VDC
Resonated column of air generates sound
Model 55 produces 105 dBa @ 10' (115 dBa @ 1m
Model 56 produces 106 dBa @ 10' (116 dBa @ 1m)
Indoor/outdoor use
Corrosion resistant cast aluminum housing and spun brass projector
Gray enamel paint coating
Weatherproof, water and dust-tight
Models 55 and 56 are FM Approved
Model 55 (120VAC), Type 3R is UL Listed and CSA Certified