--- product_id: 49525262 title: "ACME - Silent Dog Whistle 535 with Booklet - Adjustable Frequency Brass with Air Directors and Controlled Sound Training Whistle - Dog Accessories, Training & Behaviour Aids for Dogs" brand: "acme" price: "S$60" currency: SGD in_stock: true category: "Acme" url: https://www.desertcart.sg/products/49525262-acme-silent-dog-whistle-535-with-booklet-adjustable-frequency-brass store_origin: SG region: Singapore --- # Adjustable frequency precision Ultrasonic silent to humans Durable solid brass build ACME - Silent Dog Whistle 535 with Booklet - Adjustable Frequency Brass with Air Directors and Controlled Sound Training Whistle - Dog Accessories, Training & Behaviour Aids for Dogs **Brand:** acme **Price:** S$60 **Availability:** βœ… In Stock ## Summary > πŸ•β€πŸ¦Ί Train Smart, Stay Silent β€” The Pro’s Choice for Next-Level Dog Control ## Quick Answers - **What is this?** ACME - Silent Dog Whistle 535 with Booklet - Adjustable Frequency Brass with Air Directors and Controlled Sound Training Whistle - Dog Accessories, Training & Behaviour Aids for Dogs by acme - **How much does it cost?** S$60 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/49525262-acme-silent-dog-whistle-535-with-booklet-adjustable-frequency-brass) ## Best For - acme enthusiasts ## Why This Product - Trusted acme brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Silent Yet Effective:** Emits ultrasonic sound audible only to dogs, ensuring discreet training without disturbing your environment. - β€’ **Built to Last a Lifetime:** Crafted from solid brass, combining premium weight with unmatched durability and a professional feel. - β€’ **Complete Training Support:** Includes a detailed booklet for easy adjustment and expert training tips, integrating seamlessly into your daily routine. - β€’ **Multi-Dog Command Mastery:** Adjust frequencies to differentiate commands for multiple dogs, perfect for busy urban or multi-pet households. - β€’ **Tailored Training Precision:** Fine-tune frequencies to match your dog's unique hearing for flawless command recognition. ## Overview The ACME Silent Dog Whistle 535 is a precision-engineered, adjustable-frequency brass whistle designed to emit ultrasonic sounds only dogs can hear. Its durable solid brass construction ensures lifetime use, while the screw piston mechanism allows exact tuning for any breed or temperament. Ideal for professional and everyday training, it offers controlled sound output with minimal effort, supported by a comprehensive training booklet. ## Description Adjustable screw piston mechanism controls whistle frequency for your dog's needs. Quiet human-audible sound confirms whistle is working, ensuring effective training. ## Features - 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000I6BMPS | | Batteries Included | No | | Batteries required | No | | Best Sellers Rank | 7,894 in Pet Supplies ( See Top 100 in Pet Supplies ) 14 in Dog Whistles | | Breed Recommendation | All | | Care Instructions | Hand Washable | | Closure | button | | Colour | Nickel-plated | | Customer Reviews | 4.0 4.0 out of 5 stars (3,934) | | Date First Available | 31 Oct. 2009 | | Item Weight | 36 g | | Item model number | 535 | | Number of Items | 1 | | Pet Life Stage | canis lupus familiaris adults | | Pet Type | Dogs | | Product Dimensions | 8 x 1.5 x 0.99 cm; 36 g | | Quantity | 1 | | Size | adjustable | | Special features | Behavioral Control | | Specific Uses | Behavior | | Voltage | 12 Volts | ## Product Details - **Brand:** ACME - **Breed recommendation:** All - **Pet toy type:** Exercise Toy - **Recommended uses for product:** Training - **Theme:** Animals ## Images ![ACME - Silent Dog Whistle 535 with Booklet - Adjustable Frequency Brass with Air Directors and Controlled Sound Training Whistle - Dog Accessories, Training & Behaviour Aids for Dogs - Image 1](https://m.media-amazon.com/images/I/51pKtwKHJ6L.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - ACME original 'silent' dog training whistle no. 535. Adjustable frequency. Instruction leaflet included. Made in the UK. Good sound quality. Weather-proof. Solid brass with nickel plated finish - Loudest Brass Whistle Best Premium Emergency Whistle 125db+ One Piece Outdoor Survival Whistle On Key-Chain or Hang Around Your Neck and Carry it Anywhere! - Premium Brass Whistles 125 decimals Set of 2 - Includes 2 Black Lanyard 30 Inches - Loud Survival Whistles - Solid Brass --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/49525262-acme-silent-dog-whistle-535-with-booklet-adjustable-frequency-brass](https://www.desertcart.sg/products/49525262-acme-silent-dog-whistle-535-with-booklet-adjustable-frequency-brass) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-08-28*