ACME Alpha 211.5 Dog Training Whistle, Forest Green, Long-Range 5400 Hz

The ACME Alpha 211.5 is a professional dog training whistle for giving clear calls at close range and over distance, with a standardized 5400 Hz frequency and an approximately 450–500-yard range.

• Approximately 450–500 yards of range, longer than the 210.5 — supports training calls over distance.
• Standardized 5400 Hz frequency — gives dogs a consistent whistle signal, whoever is blowing it.
• Patented sound chambers developed over four years with World Champion dog trainers — use air more efficiently to produce a brighter sound.
• 110 dBA and weatherproof construction — made for whistle use in different conditions.
• BPA-free plastic made to food-grade standards, with an ergonomic grip — designed for comfortable mouth placement and handling.
• Made and rigorously tested in the UK by specialists with over 150 years of experience — brings UK manufacture and testing to the whistle.

For dog training, a whistle provides a clear cue that can be used near the handler or across a greater distance. The Alpha 211.5 is made for handlers who need a whistle suited to larger dogs and want a consistent call that can be shared between people familiar to the dog.

Which dogs is the ACME Alpha 211.5 designed for?

The ACME Alpha 211.5 is preferred for Labradors, Retrievers, Collies, Greyhounds and larger breeds. Its long-range sound is intended to help handlers give commands both close by and over distance, while the standardized frequency helps keep the whistle cue recognizable when different people use it.

• Suited to training and calling larger breeds.
• Useful when a dog may be working close to or farther from the handler.

How is the Alpha 211.5’s whistle sound produced?

The ACME Alpha 211.5 uses patented sound chambers that make more efficient use of air to create a brighter sound. The design was developed over four years in collaboration with World Champion dog trainers, with the aim of supporting clearer commands and a more responsive dog.

• Pealess design: no ball and no cork.
• Standardized frequency helps maintain the same whistle signal across different users.

What are the whistle’s size, weight and construction?

The ACME Alpha 211.5 measures 3 inches (7.8 cm) long, 0.5 inches (1.3 cm) wide and 0.5 inches (1.3 cm) high, and weighs 0.013 lb (6 g). Its BPA-free plastic is made to food-grade standards, and the improved all-over ergonomic grip is designed to feel soft in the mouth and offer handling in all conditions.

• Forest Green colour.
• Compact dimensions and a 6 g weight.

The ACME Alpha 211.5 is best suited to handlers of Labradors, Retrievers, Collies, Greyhounds and other larger breeds who want a standardized training signal for close and distance work. Its 5400 Hz frequency, patented sound chambers and pealess construction make it a specific choice for whistle-based dog training.