STEVE SAYS: The whistle is a "silent whistle". It is used to give commands to dogs over distance just as any other whistle is used. It is called a "silent whistle" because it operates on a frequency above that of the average person's hearing. Most people will hear a faint sound. In other words it is very LOUD to dogs but very QUIET to people.
It is not a "silencer" and does nothing to make a dog stop barking nor will it repel an agressive dog.
Dog Silent Whistle from Acme - You can hear the air going through the whistle yourself when you blow it, but other than that it is inaudible to humans. The pitch is adjustable and instructions on training a dog with it are included.
This silent dog whistle is a quality metal whistle made by Acme in England for many many years specifically for dogs. According to the manufacturer, this silent dog training whistle is effective up to 2 miles depending upon wind, weather, terrain etc.
Before you decide on which collar to buy, read our
Dog Training Collars guide for dog product comparisons, features, reviews, & more information. -- res
