Whistle Silent Dog Brass
silentdog_brass
ACME 535 “Silent” Dog Whistle – the original precision training whistle.
Barely audible to humans but loud and clear to dogs, with a range of up to 1.5 km.
The ACME 535 “Silent” Dog Whistle is the world’s most precise dog training whistle — almost silent to humans, yet powerful and commanding to dogs. Conceived by Clifford Hudson, son of ACME’s founder, it retains its elegant Art Deco design and is still handcrafted in England to this day.
With an adjustable frequency range (5200–12800 Hz) via a screw piston mechanism, you can fine-tune the sound to your dog’s unique hearing.
The internal air directors ensure a controlled, focused tone that carries over 1.5 km with minimal effort.
Built from solid nickel-plated brass, this pealess design delivers consistent performance for decades. Trusted by professional trainers and handlers worldwide, it’s the ultimate silent training tool.
Each whistle includes an instruction booklet with easy steps for tuning and training.
Material: Solid brass, nickel-plated
Frequency: Adjustable 5200–12800 Hz
Range: Up to 1.5 km
Sound Output: 60–90 dBA (adjustable)
Dimensions: 3.3 × 0.4 × 0.6 in
Weight: 50 g
Pealess: Yes