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  Product Description

  High frequency The whistle operates in a range between 5400 - 12800 Hz. Thus, some sounds are hardly heard for humans, for dogs, dolphins and other animals all the better. Adjustable The tones can be adjusted by yourself and then determined. From a sound that represents only a feast for people to a bright tone that we humans can hear wonderfully. REACH The tones of this whistle have an enormous range. The animals can still perceive the whistle at a distance (up to 1.5 km) without any problems. Even against loud background noises, the whistle arrives without any problems. Lockable This model has the mouthpiece and also a separate lid that can be placed over the pipe. The lid cannot be lost thanks to a small chain and always hangs on the whistle.

  ACME SILENT WHISTLE No. 535 - the "silent" dog whistle

  No so-called "quiet" dog whistle is actually quiet. If she were, no one could hear her. The term "quiet" is in quotation marks, as it is audible, but only just like that. However, for your dog, the sound is loud and can reach up to 1.5 km. With the help of a screw piston mechanism, different frequencies can be adjusted to match your dog. This versatile dog whistle is suitable for all dog breeds.

  Each whistle comes with a booklet that includes simple instructions on how to adjust the whistle and train your dog. The whistle has special air deflectors to precisely control the frequency generated and produces a sound that reaches over a mile with minimal effort. The original elegant Art Deco design has been largely retained and designed by Clifford Hudson, son of founder Joseph. The sturdy brass material ensures decades of durability.

  Range up to 1.5 km

  The Acme Silent Whistle depends on weather conditions and the skills of the dog and owner. It allows you to interact with your dog up to a distance of 1.5 km. The "noiseless" ACME precision instruments generate frequencies in the range of 5400Hz to 12800Hz. Within this frequency spectrum, there are whistling sounds that are almost inaudible to humans. However, the sensitive hearing of the dog perceives this frequency range extremely clearly.

  High-quality design

  The impressive functionality of the dog whistle is complemented by its high-quality design. Nickel-plated brass is used as the material and ensures its durability and attractive look at a high level of this "silent" dog whistle. The meticulous workmanship and use of these premium materials not only contribute to an appealing exterior, but also ensure excellent feel and optimal performance. Combining functionality and stylish design, this dog whistle is an essential tool for dog owners who value quality and attractive design.

  150 years of experience.

  The British company J. Hudson and Co. has been producing signal whistles for a wide range of purposes under the brand ACME Whistles for more than a century and a half. The diverse product range includes dog whistles, sports whistles, signal whistles, emergency whistles, orchestral and musical whistles as well as bird lock calls. All these whistles are handmade in England with the utmost care and highest quality. Every whistle that leaves the company is checked in advance for its functionality and thus meets the highest quality standards.

  Since 1870.

  • PRECISION SILENT DOG WHISTLE DESIGN: Emitting high-frequency ultrasonic waves clearly audible to dogs but almost silent to humans, the fully adjustable screw-sleeve lets you fine-tune the exact frequency to suit your dog's unique hearing range, regardless of breed, size, or temperament.
  • ADJUSTABLE BRASS CONSTRUCTION: Precision-engineered in solid brass for premium weight, lifetime durability and a professional feel, this adjustable whistle features a screw piston mechanism for precise tuning across a wide frequency range, with special air directors supporting controlled sound output.
  • CONTROLLED SOUND OUTPUT: Designed for structured training, this whistle delivers consistent sound cues with minimal effort across varied environments. Tunable to different frequencies to differentiate commands for multiple dogs, it fits naturally within any practical training kit.
  • VERSATILE FOR EVERYDAY ROUTINES: This whistle integrates easily into daily routines alongside trusted dog walking accessories. Supplied with a booklet providing clear guidance on adjustment and training use, it supports handling as part of a practical set of dog essentials. Suitable for late-night garden training or urban areas where you want to avoid loud, piercing whistle blasts.
  • UNRIVALLED PERFORMANCE, ICONIC DESIGN: Established in the 19th century, ACME has spent generations refining the art of sound signalling. Working dog whistles sit alongside professional, sporting, and safety applications, with every design reflecting depth of knowledge shaped through long-standing practice and continuous development across a broad range of uses.

          ABOUT US / TERMS & CONDITIONS:
 

        ABOUT US:

• At OneWorldGoods, we're your go-to destination for all things family, offering a diverse array of products to suit every occasion. From stylish fashion and home decor to cutting-edge electronics and thoughtful gifts, we've got it all.

  SHIPPING:

• We are able to provide next day delivery for our orders 99% of the time for orders before noon on week days. However, in some cases the delivery may be slightly delayed due to unforeseen circumstances. Feel free to contact us anytime to ask for a status update on delivery - we always get back to you as quickly as possible. If the delivery is delayed, we give you the option to cancel your order and receive full refund for the item if you prefer. 
• We cannot ship to the following areas: Channel Islands, Isle of Wight, Isle of Man, Scilly Isles, Scottish, Highlands, Scottish Islands, Northern Ireland. This is because our carriers do not allow shipping certain products (e.g. liquids, sprays and batteries) to these locations. In case we receive an order from the above areas, we will still attempt to deliver but cannot guarantee our usual delivery time.

  RETURNS:

• We work hard with all of our customers to ensure that they are getting an excellent shopping experience. Refunds are available for returned items. We accept returns within 30 days from the date you receive your item. If you do have a concern or want to return an item please contact us before opening a return case. Return cases negatively affect selling accounts and we will professionally handle your concerns/returns.

     TERMS & CONDITIONS:

• Please note that we are only able to ship to the address provided during checkout. Ensure that the information entered is accurate, as our automated dispatch system does not allow for address changes after the order is placed. Additionally, since orders are processed automatically within minutes, we are unable to cancel them. However, you are welcome to return the item after it has been delivered if needed.
• Our inventory is distributed across multiple fulfillment centers, including Amazon FBA and DK Wholesale. Therefore, your order may arrive in packaging that reflects the branding of one of these fulfillment partners. By placing an order with us, you agree to allow us to share your name and shipping address with these third-party providers solely for the purpose of fulfilling your order.
• We do our very best to make sure every single customer is completely satisfied. If there's a problem, message us! We're always happy to help.