Birds react to acoustic stimuli. Several acoustic devices make use of that.
Acoustic Solutions, which also humans can hear
Acoustic bird control devices replay attacking calls from predator birds, mixed with frightening calls from prey birds.
Noise-Systems
The generated sounds are on the pain threshold of hearing and this scares birds away from the surrounding area.
Blank-firing Systems
Blank-firing systems repel birds with intensely audible blank shots. We offer systems with almost no habituation.
Shockwave Generator
Birds are very receptive to air pressure waves. A very effective and harmless way to deter birds from large areas.