ACME 210 Classic Dog Whistle | Ultra High Pitch Trill | Made in the UK
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The ACME 210 is the ultra high pitch dog whistle with a difference — fitted with a solid, waterproof pearl pea that produces a distinctive rolling trill rather than a single clean tone. Precision-engineered in Birmingham, England by ACME Whistles, the company that has been making the world's finest whistles since 1884.
The 210's frequency fluctuates by 750 Hertz as the pearl rolls through the chamber, creating a trill that is immediately distinctive and easy to distinguish from other whistles on a peg line or in a training group. Easy to blow, ultra high in pitch, and built to carry over distance. Available in Black and Orange.
- Ultra high pitch — carries clearly over distance
- Waterproof pearl pea — produces a distinctive rolling trill
- 750Hz frequency fluctuation — a sound your dog will never confuse with another handler's whistle
- Easy blowing — consistent tone with minimal effort
- Available in Black and Orange
- Made in Birmingham, England by ACME Whistles, est. 1884
| Specification | Detail |
|---|---|
| Model | ACME No. 210 |
| Pitch | Ultra high |
| Pea | Solid waterproof pearl — produces a trill |
| Frequency fluctuation | 750 Hertz |
| Colours | Black | Orange |
| Origin | Made in Birmingham, England |
| Manufacturer | ACME Whistles, est. 1884 |

The ACME 210 is an ultra high pitch dog whistle fitted with a solid waterproof pearl pea that produces a distinctive rolling trill. 750Hz frequency fluctuation gives it a sound that stands out from every other whistle in a training group or on a peg line. Easy blowing, high carrying tone. Available in Black and Orange. Made in Birmingham by ACME Whistles, est. 1884.
Why We Recommend It
The 210 occupies a specific niche: handlers who want the carrying power of an ultra high pitch whistle but prefer the distinctive trill of a pea whistle over the clean single tone of a pea-less design. The 750Hz frequency fluctuation means the sound is immediately recognisable — your dog learns your whistle, not just any whistle. On a busy training day or a driven shoot with multiple handlers, that distinctiveness matters. The waterproof pearl pea is a practical upgrade over standard pea designs, maintaining consistent performance in wet conditions where a standard pea can swell and stick.
Key Benefits
- Ultra high pitch — carries clearly over distance
- Distinctive rolling trill — immediately recognisable to your dog
- 750Hz frequency fluctuation — stands out from other whistles in a group
- Waterproof pearl pea — consistent performance in wet conditions
- Easy blowing — consistent tone with minimal effort
- Made in Birmingham, England by ACME Whistles, est. 1884
Bailey Says 🐾
My friends, the trill is a very specific sound and I want you to know that I respond to it immediately. There's something about the roll of it that cuts right through whatever I'm doing. Craig uses it when he really means business. The 750Hz fluctuation apparently makes it distinctive. All I know is that when I hear it, I stop. Which is the whole point. 🐾
Perfect For
- Handlers who prefer the distinctive trill of a pea whistle over a clean single tone
- Training groups or driven days where multiple handlers need distinguishable whistles
- Dogs that respond particularly well to a rolling, fluctuating tone
- Handlers who want an ultra high pitch whistle with easy blowing characteristics
- Wet-weather working — the waterproof pearl pea performs consistently in damp conditions
Specifications
- Model: ACME No. 210
- Pitch: Ultra high
- Pea: Solid waterproof pearl — produces a rolling trill
- Frequency fluctuation: 750 Hertz
- Colours: Black | Orange
- Origin: Made in Birmingham, England
- Manufacturer: ACME Whistles, est. 1884
How To Use
- Use a single trill pip for stop or sit commands.
- Use rapid trill pips for recall.
- Keep commands consistent — the same pip pattern every time builds reliable responses.
- The easy-blowing design means consistent tone without excessive effort — let the whistle do the work.
- Wear on a lanyard for quick, reliable access during training and field work.
Care Guide
- Rinse with clean water after use in wet or muddy conditions.
- Dry thoroughly before storing to prevent any moisture build-up around the pea.
- The waterproof pearl pea is designed for wet-weather use — no special maintenance required.
- Store on a lanyard or in a dry pocket between sessions.
Professional Insight
Training Academy Tip 💡
The trill of the 210 is distinctive enough that dogs in a training group will quickly learn to distinguish it from other handlers' whistles — which is a genuine advantage in group training sessions or on a driven day. Introduce it consistently from the start and resist the temptation to switch between the 210 and another whistle mid-programme. Your dog is learning the sound, not just the command — consistency of both is what builds reliability.
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FAQs
What is the difference between the ACME 210 and the ACME 212?
Both are ultra high pitch ACME whistles, but they produce different sounds. The 212 is pea-less and produces a clean, single tone — consistent and freeze-proof. The 210 has a waterproof pearl pea that produces a distinctive rolling trill with a 750Hz frequency fluctuation. The choice comes down to personal preference: clean tone (212) or distinctive trill (210).
Why is the pea waterproof?
Standard pea whistles use a cork or plastic pea that can swell, stick, or degrade in wet conditions, causing the tone to become inconsistent or the pea to jam. The ACME 210 uses a solid pearl pea that is unaffected by moisture, maintaining consistent performance in rain, mud, and cold weather.
What does 750Hz frequency fluctuation mean?
As the pearl pea rolls through the whistle chamber, it causes the frequency to fluctuate by 750 Hertz, creating the characteristic rolling trill sound. This fluctuation makes the 210 immediately distinctive — a sound your dog will learn to associate specifically with your commands, even in a group of handlers.
Which colour should I choose?
Both Black and Orange perform identically. Orange is higher visibility and easier to spot if dropped in grass or mud. Black is the classic choice for handlers who prefer a more traditional look.
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