Dog Whistles - Acme "Silent" Dog Whistle, invented in 1935, is the perfect dog training whistle.

The Acme "Silent" Dog Whistle, invented by Acme in 1935, is the perfect dog training whistle for Town or Country, close or distance work. Many animals react differently to different whistles, each has different hearing abilities, but most animals hear quite clearly frequencies that defeat the human ear. This dog whistle's frequency range can be adjusted from 5400 Hz. to 12,800 Hz. tuned to your dog's hearing. The Acme "Silent" Dog Whistle is used for training dolphins and killer whales at Sea World it is also famous for its effects on cats,horses, mice and even bats! Brass Whistle with nickel plated (silver) finish.

Listen to the Acme Silent Dog Whistle.

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